616723525625031 has 48 divisors (see below), whose sum is σ = 979504630640640. Its totient is φ = 370811392680960.

The previous prime is 616723525625003. The next prime is 616723525625069. The reversal of 616723525625031 is 130526525327616.

616723525625031 is a `hidden beast` number, since 6 + 1 + 6 + 7 + 2 + 3 + 5 + 2 + 5 + 625 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 616723525625031 - 2⁷ = 616723525624903 is a prime.

It is a super-2 number, since 2×616723525625031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616723525625131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270049956 + ... + 272324118.

It is an arithmetic number, because the mean of its divisors is an integer number (20406346471680).

Almost surely, 2^{616723525625031} is an apocalyptic number.

616723525625031 is a deficient number, since it is larger than the sum of its proper divisors (362781105015609).

616723525625031 is a wasteful number, since it uses less digits than its factorization.

616723525625031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295876 (or 2295873 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 54.

The spelling of 616723525625031 in words is "six hundred sixteen trillion, seven hundred twenty-three billion, five hundred twenty-five million, six hundred twenty-five thousand, thirty-one".