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1164925161 = 323123672
BaseRepresentation
bin100010101101111…
…0101100011101001
310000012000022220100
41011123311203221
54341210101121
6311332220013
740603462161
oct10533654351
93005008810
101164925161
1154862a574
1228616a609
1315746363a
14b09dd5a1
156c40d026
hex456f58e9

1164925161 has 27 divisors (see below), whose sum is σ = 1743450813. Its totient is φ = 749516760.

The previous prime is 1164925141. The next prime is 1164925163. The reversal of 1164925161 is 1615294611.

The square root of 1164925161 is 34131.

It is a perfect power (a square), and thus also a powerful number.

1164925161 is a `hidden beast` number, since 1 + 1 + 6 + 492 + 5 + 161 = 666.

It is not a de Polignac number, because 1164925161 - 25 = 1164925129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1164925163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3174000 + ... + 3174366.

Almost surely, 21164925161 is an apocalyptic number.

1164925161 is the 34131-st square number.

1164925161 is the 17066-th centered octagonal number.

It is an amenable number.

1164925161 is a deficient number, since it is larger than the sum of its proper divisors (578525652).

1164925161 is an frugal number, since it uses more digits than its factorization.

1164925161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 401 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The cubic root of 1164925161 is about 1052.2025303776.

Multiplying 1164925161 by its sum of digits (36), we get a square (41937305796 = 2047862).

The spelling of 1164925161 in words is "one billion, one hundred sixty-four million, nine hundred twenty-five thousand, one hundred sixty-one".

Divisors: 1 3 9 31 93 279 367 961 1101 2883 3303 8649 11377 34131 102393 134689 352687 404067 1058061 1212201 3174183 4175359 12526077 37578231 129436129 388308387 1164925161