51374347352016 has 160 divisors (see below), whose sum is σ = 144998742903168. Its totient is φ = 15579608186880.

The previous prime is 51374347351981. The next prime is 51374347352021. The reversal of 51374347352016 is 61025374347315.

It is a self number, because there is not a number n which added to its sum of digits gives 51374347352016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12826315 + ... + 16348181.

Almost surely, 2^{51374347352016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51374347352016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72499371451584).

51374347352016 is an abundant number, since it is smaller than the sum of its proper divisors (93624395551152).

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

51374347352016 is a wasteful number, since it uses less digits than its factorization.

51374347352016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522229 (or 3522223 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 51374347352016 in words is "fifty-one trillion, three hundred seventy-four billion, three hundred forty-seven million, three hundred fifty-two thousand, sixteen".