556434590998 has 32 divisors (see below), whose sum is σ = 980696489472. Its totient is φ = 233438954400.

The previous prime is 556434590989. The next prime is 556434591019. The reversal of 556434590998 is 899095434655.

It is a super-2 number, since 2×556434590998² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169715 + ... + 2412577.

It is an arithmetic number, because the mean of its divisors is an integer number (30646765296).

Almost surely, 2^556434590998 is an apocalyptic number.

556434590998 is a deficient number, since it is larger than the sum of its proper divisors (424261898474).

556434590998 is a wasteful number, since it uses less digits than its factorization.

556434590998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250900.

The product of its (nonzero) digits is 209952000, while the sum is 67.

The spelling of 556434590998 in words is "five hundred fifty-six billion, four hundred thirty-four million, five hundred ninety thousand, nine hundred ninety-eight".