72651363016 has 16 divisors (see below), whose sum is σ = 136866907440. Its totient is φ = 36153521040.

The previous prime is 72651362989. The next prime is 72651363097. The reversal of 72651363016 is 61036315627.

It is a super-2 number, since 2×72651363016² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72651363016.

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, 21518266 + ... + 21521641.

It is an arithmetic number, because the mean of its divisors is an integer number (8554181715).

Almost surely, 2^72651363016 is an apocalyptic number.

It is an amenable number.

72651363016 is a deficient number, since it is larger than the sum of its proper divisors (64215544424).

72651363016 is a wasteful number, since it uses less digits than its factorization.

72651363016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43040124 (or 43040120 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 72651363016 in words is "seventy-two billion, six hundred fifty-one million, three hundred sixty-three thousand, sixteen".