1165695960 has 128 divisors (see below), whose sum is σ = 4108527360. Its totient is φ = 260851200.

The previous prime is 1165695953. The next prime is 1165695983. The reversal of 1165695960 is 695965611.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16806 + ... + 51125.

It is an arithmetic number, because the mean of its divisors is an integer number (32097870).

Almost surely, 2^1165695960 is an apocalyptic number.

1165695960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165695960 is an abundant number, since it is smaller than the sum of its proper divisors (2942831400).

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

1165695960 is a wasteful number, since it uses less digits than its factorization.

1165695960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67969 (or 67965 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 1165695960 is about 34142.2899056288. The cubic root of 1165695960 is about 1052.4345503880.

The spelling of 1165695960 in words is "one billion, one hundred sixty-five million, six hundred ninety-five thousand, nine hundred sixty".