6416625868 has 12 divisors (see below), whose sum is σ = 11413179232. Its totient is φ = 3155717520.

The previous prime is 6416625821. The next prime is 6416625883. The reversal of 6416625868 is 8685266146.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 13148580 + ... + 13149067.

Almost surely, 2^6416625868 is an apocalyptic number.

It is an amenable number.

6416625868 is a deficient number, since it is larger than the sum of its proper divisors (4996553364).

6416625868 is a wasteful number, since it uses less digits than its factorization.

6416625868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26297712 (or 26297710 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 6416625868 is about 80103.8442772880. The cubic root of 6416625868 is about 1858.2418608468.

The spelling of 6416625868 in words is "six billion, four hundred sixteen million, six hundred twenty-five thousand, eight hundred sixty-eight".