65439688162 has 16 divisors (see below), whose sum is σ = 99034759800. Its totient is φ = 32429063808.

The previous prime is 65439688151. The next prime is 65439688189. The reversal of 65439688162 is 26188693456.

65439688162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60875199441 + 4564488721 = 246729^2 + 67561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65439688097 and 65439688106.

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, 104073 + ... + 376444.

Almost surely, 2^65439688162 is an apocalyptic number.

65439688162 is a deficient number, since it is larger than the sum of its proper divisors (33595071638).

65439688162 is a wasteful number, since it uses less digits than its factorization.

65439688162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481125.

The product of its digits is 14929920, while the sum is 58.

The spelling of 65439688162 in words is "sixty-five billion, four hundred thirty-nine million, six hundred eighty-eight thousand, one hundred sixty-two".