791815616 has 28 divisors (see below), whose sum is σ = 1609587840. Its totient is φ = 386250240.

The previous prime is 791815603. The next prime is 791815649. The reversal of 791815616 is 616518197.

It is a congruent number.

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, 148256 + ... + 153503.

It is an arithmetic number, because the mean of its divisors is an integer number (57485280).

Almost surely, 2^791815616 is an apocalyptic number.

It is an amenable number.

791815616 is an abundant number, since it is smaller than the sum of its proper divisors (817772224).

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

791815616 is a wasteful number, since it uses less digits than its factorization.

791815616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301812 (or 301802 counting only the distinct ones).

The product of its digits is 90720, while the sum is 44.

The square root of 791815616 is about 28139.2184681807. The cubic root of 791815616 is about 925.1411972429.

The spelling of 791815616 in words is "seven hundred ninety-one million, eight hundred fifteen thousand, six hundred sixteen".