916209820504 has 32 divisors (see below), whose sum is σ = 1917648469440. Its totient is φ = 406773914400.

The previous prime is 916209820483. The next prime is 916209820529. The reversal of 916209820504 is 405028902619.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121059882 + ... + 121067449.

It is an arithmetic number, because the mean of its divisors is an integer number (59926514670).

Almost surely, 2^916209820504 is an apocalyptic number.

It is an amenable number.

916209820504 is an abundant number, since it is smaller than the sum of its proper divisors (1001438648936).

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

916209820504 is a wasteful number, since it uses less digits than its factorization.

916209820504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242127391 (or 242127387 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 916209820504 in words is "nine hundred sixteen billion, two hundred nine million, eight hundred twenty thousand, five hundred four".