616313165113520 has 80 divisors (see below), whose sum is σ = 1638345071757888. Its totient is φ = 211215377694720.

The previous prime is 616313165113447. The next prime is 616313165113531. The reversal of 616313165113520 is 25311561313616.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238278161 + ... + 240850800.

Almost surely, 2^{616313165113520} is an apocalyptic number.

It is an amenable number.

616313165113520 is an abundant number, since it is smaller than the sum of its proper divisors (1022031906644368).

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

616313165113520 is a wasteful number, since it uses less digits than its factorization.

616313165113520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479131278 (or 479131272 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 616313165113520 in words is "six hundred sixteen trillion, three hundred thirteen billion, one hundred sixty-five million, one hundred thirteen thousand, five hundred twenty".