616983520 has 24 divisors (see below), whose sum is σ = 1457623944. Its totient is φ = 246793344.

The previous prime is 616983481. The next prime is 616983527. The reversal of 616983520 is 25389616.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616983527) 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, 1927914 + ... + 1928233.

It is an arithmetic number, because the mean of its divisors is an integer number (60734331).

Almost surely, 2^616983520 is an apocalyptic number.

It is an amenable number.

616983520 is an abundant number, since it is smaller than the sum of its proper divisors (840640424).

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

616983520 is a wasteful number, since it uses less digits than its factorization.

616983520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856162 (or 3856154 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 616983520 is about 24839.1529646242. The cubic root of 616983520 is about 851.3167687764.

The spelling of 616983520 in words is "six hundred sixteen million, nine hundred eighty-three thousand, five hundred twenty".