72551179162 has 48 divisors (see below), whose sum is σ = 142651910016. Its totient is φ = 27037692000.

The previous prime is 72551179159. The next prime is 72551179193. The reversal of 72551179162 is 26197115527.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 892089 + ... + 970012.

It is an arithmetic number, because the mean of its divisors is an integer number (2971914792).

Almost surely, 2^72551179162 is an apocalyptic number.

72551179162 is a deficient number, since it is larger than the sum of its proper divisors (70100730854).

72551179162 is a wasteful number, since it uses less digits than its factorization.

72551179162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862155 (or 1862144 counting only the distinct ones).

The product of its digits is 264600, while the sum is 46.

The spelling of 72551179162 in words is "seventy-two billion, five hundred fifty-one million, one hundred seventy-nine thousand, one hundred sixty-two".