1165165176 has 64 divisors (see below), whose sum is σ = 3524878080. Its totient is φ = 313320960.

The previous prime is 1165165171. The next prime is 1165165213. The reversal of 1165165176 is 6715615611.

It is a super-2 number, since 2×1165165176² = 2715219774726221952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165165171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201130 + ... + 206841.

It is an arithmetic number, because the mean of its divisors is an integer number (55076220).

Almost surely, 2^1165165176 is an apocalyptic number.

It is an amenable number.

1165165176 is an abundant number, since it is smaller than the sum of its proper divisors (2359712904).

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

1165165176 is a wasteful number, since it uses less digits than its factorization.

1165165176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408004 (or 408000 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The square root of 1165165176 is about 34134.5159039937. The cubic root of 1165165176 is about 1052.2747888243.

The spelling of 1165165176 in words is "one billion, one hundred sixty-five million, one hundred sixty-five thousand, one hundred seventy-six".