1163292165 has 32 divisors (see below), whose sum is σ = 2363516160. Its totient is φ = 531790272.

The previous prime is 1163292121. The next prime is 1163292199. The reversal of 1163292165 is 5612923611.

1163292165 is a `hidden beast` number, since 1 + 1 + 632 + 9 + 2 + 16 + 5 = 666.

It is not a de Polignac number, because 1163292165 - 2⁷ = 1163292037 is a prime.

It is a super-2 number, since 2×1163292165² = 2706497322300774450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614554 + ... + 616443.

It is an arithmetic number, because the mean of its divisors is an integer number (73859880).

Almost surely, 2^1163292165 is an apocalyptic number.

1163292165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163292165 is an abundant number, since it is smaller than the sum of its proper divisors (1200223995).

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

1163292165 is a wasteful number, since it uses less digits than its factorization.

1163292165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231018 (or 1231012 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1163292165 is about 34107.0691352980. The cubic root of 1163292165 is about 1051.7106401155.

The spelling of 1163292165 in words is "one billion, one hundred sixty-three million, two hundred ninety-two thousand, one hundred sixty-five".