791556416 has 56 divisors (see below), whose sum is σ = 1889638080. Its totient is φ = 321380352.

The previous prime is 791556401. The next prime is 791556419. The reversal of 791556416 is 614655197.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791556419) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37985 + ... + 55008.

Almost surely, 2^791556416 is an apocalyptic number.

791556416 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

791556416 is an abundant number, since it is smaller than the sum of its proper divisors (1098081664).

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

791556416 is a wasteful number, since it uses less digits than its factorization.

791556416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93031 (or 93021 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 791556416 is about 28134.6124195803. The cubic root of 791556416 is about 925.0402382301.

The spelling of 791556416 in words is "seven hundred ninety-one million, five hundred fifty-six thousand, four hundred sixteen".