551207196238608 has 360 divisors, whose sum is σ = 1913344041840192. Its totient is φ = 145045150129152.

The previous prime is 551207196238493. The next prime is 551207196238613. The reversal of 551207196238608 is 806832691702155.

551207196238608 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 0 + 7 + 19 + 6 + 2 + 3 + 8 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71813910 + ... + 79117962.

Almost surely, 2^{551207196238608} 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 551207196238608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956672020920096).

551207196238608 is an abundant number, since it is smaller than the sum of its proper divisors (1362136845601584).

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

551207196238608 is a wasteful number, since it uses less digits than its factorization.

551207196238608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304543 (or 7304521 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 551207196238608 in words is "five hundred fifty-one trillion, two hundred seven billion, one hundred ninety-six million, two hundred thirty-eight thousand, six hundred eight".