51371768448366 has 16 divisors (see below), whose sum is σ = 103527838706688. Its totient is φ = 16993205847800.

The previous prime is 51371768448353. The next prime is 51371768448487. The reversal of 51371768448366 is 66384486717315.

It is a self number, because there is not a number n which added to its sum of digits gives 51371768448366.

It is a congruent number.

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, 32679241230 + ... + 32679242801.

It is an arithmetic number, because the mean of its divisors is an integer number (6470489919168).

Almost surely, 2^{51371768448366} is an apocalyptic number.

51371768448366 is an abundant number, since it is smaller than the sum of its proper divisors (52156070258322).

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

51371768448366 is a wasteful number, since it uses less digits than its factorization.

51371768448366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65358484167.

The product of its digits is 487710720, while the sum is 69.

The spelling of 51371768448366 in words is "fifty-one trillion, three hundred seventy-one billion, seven hundred sixty-eight million, four hundred forty-eight thousand, three hundred sixty-six".