556400216597298 has 16 divisors (see below), whose sum is σ = 1139941907175456. Its totient is φ = 180943159868960.

The previous prime is 556400216597263. The next prime is 556400216597327. The reversal of 556400216597298 is 892795612004655.

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, 1130894748936 + ... + 1130894749427.

It is an arithmetic number, because the mean of its divisors is an integer number (71246369198466).

Almost surely, 2^{556400216597298} is an apocalyptic number.

556400216597298 is an abundant number, since it is smaller than the sum of its proper divisors (583541690578158).

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

556400216597298 is a wasteful number, since it uses less digits than its factorization.

556400216597298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261789498409.

The product of its (nonzero) digits is 326592000, while the sum is 69.

The spelling of 556400216597298 in words is "five hundred fifty-six trillion, four hundred billion, two hundred sixteen million, five hundred ninety-seven thousand, two hundred ninety-eight".