72116660160 has 168 divisors, whose sum is σ = 262642691376. Its totient is φ = 18099855360.

The previous prime is 72116660159. The next prime is 72116660201. The reversal of 72116660160 is 6106661127.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 687526 + ... + 785445.

Almost surely, 2^72116660160 is an apocalyptic number.

It is an amenable number.

72116660160 is an abundant number, since it is smaller than the sum of its proper divisors (190526031216).

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

72116660160 is a wasteful number, since it uses less digits than its factorization.

72116660160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473011 (or 1472998 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 72116660160 in words is "seventy-two billion, one hundred sixteen million, six hundred sixty thousand, one hundred sixty".