768163816 has 32 divisors (see below), whose sum is σ = 1668623040. Its totient is φ = 324701568.

The previous prime is 768163703. The next prime is 768163831. The reversal of 768163816 is 618361867.

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, 89866 + ... + 98041.

It is an arithmetic number, because the mean of its divisors is an integer number (52144470).

Almost surely, 2^768163816 is an apocalyptic number.

It is an amenable number.

768163816 is an abundant number, since it is smaller than the sum of its proper divisors (900459224).

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

768163816 is a wasteful number, since it uses less digits than its factorization.

768163816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187993 (or 187989 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 768163816 is about 27715.7683638755. The cubic root of 768163816 is about 915.8365013958.

The spelling of 768163816 in words is "seven hundred sixty-eight million, one hundred sixty-three thousand, eight hundred sixteen".