3972864016 has 20 divisors (see below), whose sum is σ = 8397190224. Its totient is φ = 1805847200.

The previous prime is 3972863971. The next prime is 3972864023. The reversal of 3972864016 is 6104682793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11286370 + ... + 11286721.

Almost surely, 2^3972864016 is an apocalyptic number.

It is an amenable number.

3972864016 is an abundant number, since it is smaller than the sum of its proper divisors (4424326208).

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

3972864016 is a wasteful number, since it uses less digits than its factorization.

3972864016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22573110 (or 22573104 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 3972864016 is about 63030.6593333752. The cubic root of 3972864016 is about 1583.8032630704.

The spelling of 3972864016 in words is "three billion, nine hundred seventy-two million, eight hundred sixty-four thousand, sixteen".