916657893388 has 12 divisors (see below), whose sum is σ = 1622175486120. Its totient is φ = 453179183072.

The previous prime is 916657893379. The next prime is 916657893397. The reversal of 916657893388 is 883398756619.

It is an interprime number because it is at equal distance from previous prime (916657893379) and next prime (916657893397).

It is a self number, because there is not a number n which added to its sum of digits gives 916657893388.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287440506 + ... + 1287441217.

It is an arithmetic number, because the mean of its divisors is an integer number (135181290510).

Almost surely, 2^916657893388 is an apocalyptic number.

It is an amenable number.

916657893388 is a deficient number, since it is larger than the sum of its proper divisors (705517592732).

916657893388 is a wasteful number, since it uses less digits than its factorization.

916657893388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574881816 (or 2574881814 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 73.

The spelling of 916657893388 in words is "nine hundred sixteen billion, six hundred fifty-seven million, eight hundred ninety-three thousand, three hundred eighty-eight".