551161165230 has 240 divisors, whose sum is σ = 1606961087424. Its totient is φ = 135486224640.

The previous prime is 551161165193. The next prime is 551161165249. The reversal of 551161165230 is 32561161155.

551161165230 is a `hidden beast` number, since 5 + 5 + 1 + 1 + 611 + 6 + 5 + 2 + 30 = 666.

551161165230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 120050235 + ... + 120054825.

Almost surely, 2^551161165230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551161165230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803480543712).

551161165230 is an abundant number, since it is smaller than the sum of its proper divisors (1055799922194).

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

551161165230 is a wasteful number, since it uses less digits than its factorization.

551161165230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513 (or 5491 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 551161165230 in words is "five hundred fifty-one billion, one hundred sixty-one million, one hundred sixty-five thousand, two hundred thirty".