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1166156049 = 3929418427
BaseRepresentation
bin100010110000010…
…0010000100010001
310000021022212100210
41011200202010101
54342013443144
6311414434333
740620106602
oct10540420421
93007285323
101166156049
115492a0333
122866629a9
131577a4986
14b0c3dda9
156c5a2ab9
hex45822111

1166156049 has 8 divisors (see below), whose sum is σ = 1556552160. Its totient is φ = 776598656.

The previous prime is 1166155997. The next prime is 1166156081. The reversal of 1166156049 is 9406516611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166156049 - 29 = 1166155537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166155998 and 1166156016.

It is not an unprimeable number, because it can be changed into a prime (1166146049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206427 + ... + 212000.

It is an arithmetic number, because the mean of its divisors is an integer number (194569020).

Almost surely, 21166156049 is an apocalyptic number.

It is an amenable number.

1166156049 is a deficient number, since it is larger than the sum of its proper divisors (390396111).

1166156049 is an equidigital number, since it uses as much as digits as its factorization.

1166156049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419359.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1166156049 is about 34149.0270578826. The cubic root of 1166156049 is about 1052.5729941119.

The spelling of 1166156049 in words is "one billion, one hundred sixty-six million, one hundred fifty-six thousand, forty-nine".

Divisors: 1 3 929 2787 418427 1255281 388718683 1166156049