5137297656 has 16 divisors (see below), whose sum is σ = 12843244200. Its totient is φ = 1712432544.

The previous prime is 5137297621. The next prime is 5137297657. The reversal of 5137297656 is 6567927315.

It is a junction number, because it is equal to n+sod(n) for n = 5137297599 and 5137297608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137297657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107027011 + ... + 107027058.

Almost surely, 2^5137297656 is an apocalyptic number.

It is an amenable number.

5137297656 is an abundant number, since it is smaller than the sum of its proper divisors (7705946544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5137297656 is a wasteful number, since it uses less digits than its factorization.

5137297656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214054078 (or 214054074 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 51.

The square root of 5137297656 is about 71674.9444087681. The cubic root of 5137297656 is about 1725.4865426971.

The spelling of 5137297656 in words is "five billion, one hundred thirty-seven million, two hundred ninety-seven thousand, six hundred fifty-six".