8151386672 has 60 divisors (see below), whose sum is σ = 18695001360. Its totient is φ = 3420151680.

The previous prime is 8151386651. The next prime is 8151386759. The reversal of 8151386672 is 2766831518.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136772 + ... + 187107.

It is an arithmetic number, because the mean of its divisors is an integer number (311583356).

Almost surely, 2^8151386672 is an apocalyptic number.

It is an amenable number.

8151386672 is an abundant number, since it is smaller than the sum of its proper divisors (10543614688).

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

8151386672 is a wasteful number, since it uses less digits than its factorization.

8151386672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323922 (or 323905 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 8151386672 is about 90285.0301655817. The cubic root of 8151386672 is about 2012.5368060447.

The spelling of 8151386672 in words is "eight billion, one hundred fifty-one million, three hundred eighty-six thousand, six hundred seventy-two".