616231164125 has 32 divisors (see below), whose sum is σ = 774618530400. Its totient is φ = 489422976000.

The previous prime is 616231164121. The next prime is 616231164139. The reversal of 616231164125 is 521461132616.

It can be written as a sum of positive squares in 16 ways, for example, as 356329006489 + 259902157636 = 596933^2 + 509806^2 .

It is not a de Polignac number, because 616231164125 - 2² = 616231164121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616231164121) 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, 41358677 + ... + 41373573.

It is an arithmetic number, because the mean of its divisors is an integer number (24206829075).

Almost surely, 2^616231164125 is an apocalyptic number.

It is an amenable number.

616231164125 is a deficient number, since it is larger than the sum of its proper divisors (158387366275).

616231164125 is a wasteful number, since it uses less digits than its factorization.

616231164125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17282 (or 17272 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The spelling of 616231164125 in words is "six hundred sixteen billion, two hundred thirty-one million, one hundred sixty-four thousand, one hundred twenty-five".