5131464656 has 10 divisors (see below), whose sum is σ = 9942212802. Its totient is φ = 2565732320.

The previous prime is 5131464629. The next prime is 5131464659. The reversal of 5131464656 is 6564641315.

It can be written as a sum of positive squares in only one way, i.e., 3424122256 + 1707342400 = 58516^2 + 41320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131464659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160358255 + ... + 160358286.

Almost surely, 2^5131464656 is an apocalyptic number.

It is an amenable number.

5131464656 is a deficient number, since it is larger than the sum of its proper divisors (4810748146).

5131464656 is a wasteful number, since it uses less digits than its factorization.

5131464656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320716549 (or 320716543 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 5131464656 is about 71634.2422030135. The cubic root of 5131464656 is about 1724.8332436715.

The spelling of 5131464656 in words is "five billion, one hundred thirty-one million, four hundred sixty-four thousand, six hundred fifty-six".