3137816648 has 16 divisors (see below), whose sum is σ = 5886171180. Its totient is φ = 1568171008.

The previous prime is 3137816609. The next prime is 3137816707. The reversal of 3137816648 is 8466187313.

It can be written as a sum of positive squares in 2 ways, for example, as 3136224004 + 1592644 = 56002^2 + 1262^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73865 + ... + 108312.

Almost surely, 2^3137816648 is an apocalyptic number.

It is an amenable number.

3137816648 is a deficient number, since it is larger than the sum of its proper divisors (2748354532).

3137816648 is a wasteful number, since it uses less digits than its factorization.

3137816648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184336 (or 184332 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 3137816648 is about 56016.2177230844. The cubic root of 3137816648 is about 1464.0048684978.

The spelling of 3137816648 in words is "three billion, one hundred thirty-seven million, eight hundred sixteen thousand, six hundred forty-eight".