5151640956 has 48 divisors (see below), whose sum is σ = 14986594560. Its totient is φ = 1338088320.

The previous prime is 5151640931. The next prime is 5151640961. The reversal of 5151640956 is 6590461515.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2786761 + ... + 2788608.

It is an arithmetic number, because the mean of its divisors is an integer number (312220720).

Almost surely, 2^5151640956 is an apocalyptic number.

It is an amenable number.

5151640956 is an abundant number, since it is smaller than the sum of its proper divisors (9834953604).

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

5151640956 is a wasteful number, since it uses less digits than its factorization.

5151640956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575394 (or 5575392 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 5151640956 is about 71774.9326436466. The cubic root of 5151640956 is about 1727.0908993889.

The spelling of 5151640956 in words is "five billion, one hundred fifty-one million, six hundred forty thousand, nine hundred fifty-six".