1165618464 has 48 divisors (see below), whose sum is σ = 3239738208. Its totient is φ = 365683712.

The previous prime is 1165618459. The next prime is 1165618483. The reversal of 1165618464 is 4648165611.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355482 + ... + 358745.

It is an arithmetic number, because the mean of its divisors is an integer number (67494546).

Almost surely, 2^1165618464 is an apocalyptic number.

It is an amenable number.

1165618464 is an abundant number, since it is smaller than the sum of its proper divisors (2074119744).

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

1165618464 is a wasteful number, since it uses less digits than its factorization.

1165618464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714257 (or 714249 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 1165618464 is about 34141.1549892501. The cubic root of 1165618464 is about 1052.4112277612.

The spelling of 1165618464 in words is "one billion, one hundred sixty-five million, six hundred eighteen thousand, four hundred sixty-four".