72152360178 has 16 divisors (see below), whose sum is σ = 144393761856. Its totient is φ = 24035946480.

The previous prime is 72152360113. The next prime is 72152360219. The reversal of 72152360178 is 87106325127.

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, 3699526 + ... + 3718977.

It is an arithmetic number, because the mean of its divisors is an integer number (9024610116).

Almost surely, 2^72152360178 is an apocalyptic number.

72152360178 is an abundant number, since it is smaller than the sum of its proper divisors (72241401678).

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

72152360178 is a wasteful number, since it uses less digits than its factorization.

72152360178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420129.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 72152360178 in words is "seventy-two billion, one hundred fifty-two million, three hundred sixty thousand, one hundred seventy-eight".