8133336672 has 24 divisors (see below), whose sum is σ = 21350009016. Its totient is φ = 2711112192.

The previous prime is 8133336623. The next prime is 8133336697. The reversal of 8133336672 is 2766333318.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 42361033 + ... + 42361224.

It is an arithmetic number, because the mean of its divisors is an integer number (889583709).

Almost surely, 2^8133336672 is an apocalyptic number.

It is an amenable number.

8133336672 is an abundant number, since it is smaller than the sum of its proper divisors (13216672344).

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

8133336672 is a wasteful number, since it uses less digits than its factorization.

8133336672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84722270 (or 84722262 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 8133336672 is about 90185.0135665566. The cubic root of 8133336672 is about 2011.0502231744.

The spelling of 8133336672 in words is "eight billion, one hundred thirty-three million, three hundred thirty-six thousand, six hundred seventy-two".