51516656604346 has 32 divisors (see below), whose sum is σ = 77855444739072. Its totient is φ = 25565466008640.

The previous prime is 51516656604323. The next prime is 51516656604349. The reversal of 51516656604346 is 64340665661515.

It is not an unprimeable number, because it can be changed into a prime (51516656604349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2275760940 + ... + 2275783576.

It is an arithmetic number, because the mean of its divisors is an integer number (2432982648096).

Almost surely, 2^{51516656604346} is an apocalyptic number.

51516656604346 is a deficient number, since it is larger than the sum of its proper divisors (26338788134726).

51516656604346 is a wasteful number, since it uses less digits than its factorization.

51516656604346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36054.

The product of its (nonzero) digits is 46656000, while the sum is 58.

The spelling of 51516656604346 in words is "fifty-one trillion, five hundred sixteen billion, six hundred fifty-six million, six hundred four thousand, three hundred forty-six".