65396691088 has 20 divisors (see below), whose sum is σ = 127617647920. Its totient is φ = 32463104544.

The previous prime is 65396691067. The next prime is 65396691119. The reversal of 65396691088 is 88019669356.

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 3 ways as a sum of consecutive naturals, for example, 14700270 + ... + 14704717.

It is an arithmetic number, because the mean of its divisors is an integer number (6380882396).

Almost surely, 2^65396691088 is an apocalyptic number.

It is an amenable number.

65396691088 is a deficient number, since it is larger than the sum of its proper divisors (62220956832).

65396691088 is a wasteful number, since it uses less digits than its factorization.

65396691088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29405134 (or 29405128 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 65396691088 in words is "sixty-five billion, three hundred ninety-six million, six hundred ninety-one thousand, eighty-eight".