1165915164 has 48 divisors (see below), whose sum is σ = 2868768000. Its totient is φ = 367526016.

The previous prime is 1165915141. The next prime is 1165915169. The reversal of 1165915164 is 4615195611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165915169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132304 + ... + 140840.

It is an arithmetic number, because the mean of its divisors is an integer number (59766000).

Almost surely, 2^1165915164 is an apocalyptic number.

It is an amenable number.

1165915164 is an abundant number, since it is smaller than the sum of its proper divisors (1702852836).

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

1165915164 is a wasteful number, since it uses less digits than its factorization.

1165915164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162 (or 9160 counting only the distinct ones).

The product of its digits is 32400, while the sum is 39.

The square root of 1165915164 is about 34145.4999084799. The cubic root of 1165915164 is about 1052.5005148167.

The spelling of 1165915164 in words is "one billion, one hundred sixty-five million, nine hundred fifteen thousand, one hundred sixty-four".