616313165113521 has 32 divisors (see below), whose sum is σ = 974378078023680. Its totient is φ = 383661368149248.

The previous prime is 616313165113447. The next prime is 616313165113531. The reversal of 616313165113521 is 125311561313616.

616313165113521 is a `hidden beast` number, since 6 + 1 + 6 + 3 + 1 + 3 + 1 + 6 + 5 + 113 + 521 = 666.

It is not a de Polignac number, because 616313165113521 - 2³⁵ = 616278805375153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616313165113531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5286281106 + ... + 5286397691.

It is an arithmetic number, because the mean of its divisors is an integer number (30449314938240).

Almost surely, 2^{616313165113521} is an apocalyptic number.

It is an amenable number.

616313165113521 is a deficient number, since it is larger than the sum of its proper divisors (358064912910159).

616313165113521 is a wasteful number, since it uses less digits than its factorization.

616313165113521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572678950 (or 10572678944 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The spelling of 616313165113521 in words is "six hundred sixteen trillion, three hundred thirteen billion, one hundred sixty-five million, one hundred thirteen thousand, five hundred twenty-one".