616437362725 has 12 divisors (see below), whose sum is σ = 771950474820. Its totient is φ = 488267216000.

The previous prime is 616437362719. The next prime is 616437362773. The reversal of 616437362725 is 527263734616.

It can be written as a sum of positive squares in 6 ways, for example, as 27249095329 + 589188267396 = 165073^2 + 767586^2 .

It is not a de Polignac number, because 616437362725 - 2¹⁷ = 616437231653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122064280 + ... + 122069329.

It is an arithmetic number, because the mean of its divisors is an integer number (64329206235).

Almost surely, 2^616437362725 is an apocalyptic number.

It is an amenable number.

616437362725 is a deficient number, since it is larger than the sum of its proper divisors (155513112095).

616437362725 is a wasteful number, since it uses less digits than its factorization.

616437362725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244133720 (or 244133715 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 52.

The spelling of 616437362725 in words is "six hundred sixteen billion, four hundred thirty-seven million, three hundred sixty-two thousand, seven hundred twenty-five".