5051656641 has 32 divisors (see below), whose sum is σ = 7421483520. Its totient is φ = 3043401984.

The previous prime is 5051656637. The next prime is 5051656661. The reversal of 5051656641 is 1466561505.

It is not a de Polignac number, because 5051656641 - 2² = 5051656637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5051656641.

It is not an unprimeable number, because it can be changed into a prime (5051656601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109866 + ... + 148908.

It is an arithmetic number, because the mean of its divisors is an integer number (231921360).

Almost surely, 2^5051656641 is an apocalyptic number.

5051656641 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5051656641 is a deficient number, since it is larger than the sum of its proper divisors (2369826879).

5051656641 is a wasteful number, since it uses less digits than its factorization.

5051656641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39165.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 5051656641 is about 71075.0071473792. The cubic root of 5051656641 is about 1715.8445568984.

The spelling of 5051656641 in words is "five billion, fifty-one million, six hundred fifty-six thousand, six hundred forty-one".