616160851637 has 2 divisors, whose sum is σ = 616160851638. Its totient is φ = 616160851636.

The previous prime is 616160851619. The next prime is 616160851679. The reversal of 616160851637 is 736158061616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313494728836 + 302666122801 = 559906^2 + 550151^2 .

It is a cyclic number.

It is not a de Polignac number, because 616160851637 - 2⁸ = 616160851381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616160851687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308080425818 + 308080425819.

It is an arithmetic number, because the mean of its divisors is an integer number (308080425819).

Almost surely, 2^616160851637 is an apocalyptic number.

It is an amenable number.

616160851637 is a deficient number, since it is larger than the sum of its proper divisors (1).

616160851637 is an equidigital number, since it uses as much as digits as its factorization.

616160851637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 616160851637 in words is "six hundred sixteen billion, one hundred sixty million, eight hundred fifty-one thousand, six hundred thirty-seven".