791736664 has 16 divisors (see below), whose sum is σ = 1489194000. Its totient is φ = 394618272.

The previous prime is 791736661. The next prime is 791736697. The reversal of 791736664 is 466637197.

It is a happy number.

791736664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791736661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153564 + ... + 158635.

It is an arithmetic number, because the mean of its divisors is an integer number (93074625).

Almost surely, 2^791736664 is an apocalyptic number.

It is an amenable number.

791736664 is a deficient number, since it is larger than the sum of its proper divisors (697457336).

791736664 is a wasteful number, since it uses less digits than its factorization.

791736664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312522 (or 312518 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 49.

The square root of 791736664 is about 28137.8155513181. The cubic root of 791736664 is about 925.1104475860.

The spelling of 791736664 in words is "seven hundred ninety-one million, seven hundred thirty-six thousand, six hundred sixty-four".