556666756708896 has 144 divisors (see below), whose sum is σ = 1585205874546840. Its totient is φ = 185299618775040.

The previous prime is 556666756708861. The next prime is 556666756708943. The reversal of 556666756708896 is 698807657666655.

It can be written as a sum of positive squares in 4 ways, for example, as 541391447552400 + 15275309156496 = 23267820^2 + 3908364^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858500266 + ... + 859148438.

Almost surely, 2^{556666756708896} is an apocalyptic number.

It is an amenable number.

556666756708896 is an abundant number, since it is smaller than the sum of its proper divisors (1028539117837944).

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

556666756708896 is a wasteful number, since it uses less digits than its factorization.

556666756708896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652299 (or 652288 counting only the distinct ones).

The product of its (nonzero) digits is 164602368000, while the sum is 90.

The spelling of 556666756708896 in words is "five hundred fifty-six trillion, six hundred sixty-six billion, seven hundred fifty-six million, seven hundred eight thousand, eight hundred ninety-six".