65601795792 has 80 divisors (see below), whose sum is σ = 182543177600. Its totient is φ = 20181229056.

The previous prime is 65601795769. The next prime is 65601795821. The reversal of 65601795792 is 29759710656.

It is a super-2 number, since 2×65601795792² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6202893 + ... + 6213459.

It is an arithmetic number, because the mean of its divisors is an integer number (2281789720).

Almost surely, 2^65601795792 is an apocalyptic number.

It is an amenable number.

65601795792 is an abundant number, since it is smaller than the sum of its proper divisors (116941381808).

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

65601795792 is a wasteful number, since it uses less digits than its factorization.

65601795792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540 (or 20534 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 65601795792 in words is "sixty-five billion, six hundred one million, seven hundred ninety-five thousand, seven hundred ninety-two".