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1163161068 = 223190150989
BaseRepresentation
bin100010101010100…
…0110110111101100
310000001200201000120
41011111012313230
54340232123233
6311230324540
740552464066
oct10525066754
93001621016
101163161068
11547635143
12285659750
13156c966b4
14b06a0736
156c1b04b3
hex45546dec

1163161068 has 24 divisors (see below), whose sum is σ = 2715523440. Its totient is φ = 387508800.

The previous prime is 1163161067. The next prime is 1163161073. The reversal of 1163161068 is 8601613611.

It is a super-2 number, since 2×11631610682 = 2705887340221801248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1163161067) 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, 2683 + ... + 48306.

It is an arithmetic number, because the mean of its divisors is an integer number (113146810).

Almost surely, 21163161068 is an apocalyptic number.

It is an amenable number.

1163161068 is an abundant number, since it is smaller than the sum of its proper divisors (1552362372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163161068 is a wasteful number, since it uses less digits than its factorization.

1163161068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52897 (or 52895 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1163161068 is about 34105.1472361578. The cubic root of 1163161068 is about 1051.6711311845.

Adding to 1163161068 its reverse (8601613611), we get a palindrome (9764774679).

The spelling of 1163161068 in words is "one billion, one hundred sixty-three million, one hundred sixty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 1901 3802 5703 7604 11406 22812 50989 101978 152967 203956 305934 611868 96930089 193860178 290790267 387720356 581580534 1163161068