65831617652 has 12 divisors (see below), whose sum is σ = 117656508480. Its totient is φ = 32215472376.

The previous prime is 65831617627. The next prime is 65831617669. The reversal of 65831617652 is 25671613856.

It is a self number, because there is not a number n which added to its sum of digits gives 65831617652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175083902 + ... + 175084277.

It is an arithmetic number, because the mean of its divisors is an integer number (9804709040).

Almost surely, 2^65831617652 is an apocalyptic number.

It is an amenable number.

65831617652 is a deficient number, since it is larger than the sum of its proper divisors (51824890828).

65831617652 is a wasteful number, since it uses less digits than its factorization.

65831617652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350168230 (or 350168228 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The spelling of 65831617652 in words is "sixty-five billion, eight hundred thirty-one million, six hundred seventeen thousand, six hundred fifty-two".