65165435604 has 48 divisors (see below), whose sum is σ = 169058783040. Its totient is φ = 21707494560.

The previous prime is 65165435603. The next prime is 65165435639. The reversal of 65165435604 is 40653456156.

65165435604 is a `hidden beast` number, since 6 + 5 + 1 + 6 + 5 + 4 + 35 + 604 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 65165435604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65165435603) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33607 + ... + 362574.

It is an arithmetic number, because the mean of its divisors is an integer number (3522057980).

Almost surely, 2^65165435604 is an apocalyptic number.

It is an amenable number.

65165435604 is an abundant number, since it is smaller than the sum of its proper divisors (103893347436).

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

65165435604 is a wasteful number, since it uses less digits than its factorization.

65165435604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397717 (or 397709 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 65165435604 in words is "sixty-five billion, one hundred sixty-five million, four hundred thirty-five thousand, six hundred four".