7910664816 has 40 divisors (see below), whose sum is σ = 21095110144. Its totient is φ = 2551826880.

The previous prime is 7910664809. The next prime is 7910664833. The reversal of 7910664816 is 6184660197.

It is a happy number.

It is a super-2 number, since 2×7910664816² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2656666 + ... + 2659641.

Almost surely, 2^7910664816 is an apocalyptic number.

It is an amenable number.

7910664816 is an abundant number, since it is smaller than the sum of its proper divisors (13184445328).

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

7910664816 is a wasteful number, since it uses less digits than its factorization.

7910664816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316349 (or 5316343 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 7910664816 is about 88941.9182163281. The cubic root of 7910664816 is about 1992.5275171037.

The spelling of 7910664816 in words is "seven billion, nine hundred ten million, six hundred sixty-four thousand, eight hundred sixteen".