72149351116 has 12 divisors (see below), whose sum is σ = 126534070432. Its totient is φ = 35996759568.

The previous prime is 72149351089. The next prime is 72149351161. The reversal of 72149351116 is 61115394127.

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, 19476915 + ... + 19480618.

Almost surely, 2^72149351116 is an apocalyptic number.

It is an amenable number.

72149351116 is a deficient number, since it is larger than the sum of its proper divisors (54384719316).

72149351116 is a wasteful number, since it uses less digits than its factorization.

72149351116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38958000 (or 38957998 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The spelling of 72149351116 in words is "seventy-two billion, one hundred forty-nine million, three hundred fifty-one thousand, one hundred sixteen".