51601336531616 has 48 divisors (see below), whose sum is σ = 101796080025024. Its totient is φ = 25748402202624.

The previous prime is 51601336531579. The next prime is 51601336531649. The reversal of 51601336531616 is 61613563310615.

51601336531616 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42528176 + ... + 43724688.

It is an arithmetic number, because the mean of its divisors is an integer number (2120751667188).

Almost surely, 2^{51601336531616} is an apocalyptic number.

It is an amenable number.

51601336531616 is a deficient number, since it is larger than the sum of its proper divisors (50194743493408).

51601336531616 is a wasteful number, since it uses less digits than its factorization.

51601336531616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199253 (or 1199245 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 51601336531616 in words is "fifty-one trillion, six hundred one billion, three hundred thirty-six million, five hundred thirty-one thousand, six hundred sixteen".