616251573020 has 96 divisors (see below), whose sum is σ = 1318258851840. Its totient is φ = 241938385920.

The previous prime is 616251572977. The next prime is 616251573071. The reversal of 616251573020 is 20375152616.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548754179 + ... + 548755301.

It is an arithmetic number, because the mean of its divisors is an integer number (13731863040).

Almost surely, 2^616251573020 is an apocalyptic number.

It is an amenable number.

616251573020 is an abundant number, since it is smaller than the sum of its proper divisors (702007278820).

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

616251573020 is a wasteful number, since it uses less digits than its factorization.

616251573020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 616251573020 in words is "six hundred sixteen billion, two hundred fifty-one million, five hundred seventy-three thousand, twenty".