551161106616 has 32 divisors (see below), whose sum is σ = 1422351244800. Its totient is φ = 177793905120.

The previous prime is 551161106599. The next prime is 551161106623. The reversal of 551161106616 is 616601161155.

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, 370403226 + ... + 370404713.

It is an arithmetic number, because the mean of its divisors is an integer number (44448476400).

Almost surely, 2^551161106616 is an apocalyptic number.

It is an amenable number.

551161106616 is an abundant number, since it is smaller than the sum of its proper divisors (871190138184).

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

551161106616 is a wasteful number, since it uses less digits than its factorization.

551161106616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740807979 (or 740807975 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 551161106616 in words is "five hundred fifty-one billion, one hundred sixty-one million, one hundred six thousand, six hundred sixteen".