551573342760960 has 1664 divisors, whose sum is σ = 2188579674193920. Its totient is φ = 130867317964800.

The previous prime is 551573342760907. The next prime is 551573342761031. The reversal of 551573342760960 is 69067243375155.

It is a happy number.

551573342760960 is a `hidden beast` number, since 5 + 5 + 1 + 573 + 34 + 27 + 6 + 0 + 9 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1664).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 57270615345 + ... + 57270624975.

Almost surely, 2^{551573342760960} 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 551573342760960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094289837096960).

551573342760960 is an abundant number, since it is smaller than the sum of its proper divisors (1637006331432960).

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

551573342760960 is a wasteful number, since it uses less digits than its factorization.

551573342760960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970 (or 9942 counting only the distinct ones).

The product of its (nonzero) digits is 142884000, while the sum is 63.

The spelling of 551573342760960 in words is "five hundred fifty-one trillion, five hundred seventy-three billion, three hundred forty-two million, seven hundred sixty thousand, nine hundred sixty".