72017120116160 has 56 divisors (see below), whose sum is σ = 173258713405680. Its totient is φ = 28509870219264.

The previous prime is 72017120116157. The next prime is 72017120116187. The reversal of 72017120116160 is 6161102171027.

It is a self number, because there is not a number n which added to its sum of digits gives 72017120116160.

It is a congruent number.

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, 1160038550 + ... + 1160100629.

It is an arithmetic number, because the mean of its divisors is an integer number (3093905596530).

Almost surely, 2^{72017120116160} is an apocalyptic number.

It is an amenable number.

72017120116160 is an abundant number, since it is smaller than the sum of its proper divisors (101241593289520).

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

72017120116160 is a wasteful number, since it uses less digits than its factorization.

72017120116160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320139293 (or 2320139283 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

Adding to 72017120116160 its reverse (6161102171027), we get a palindrome (78178222287187).

The spelling of 72017120116160 in words is "seventy-two trillion, seventeen billion, one hundred twenty million, one hundred sixteen thousand, one hundred sixty".