556400170843 has 8 divisors (see below), whose sum is σ = 618434495856. Its totient is φ = 496274594400.

The previous prime is 556400170819. The next prime is 556400170891. The reversal of 556400170843 is 348071004655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556400170843 - 2⁵ = 556400170811 is a prime.

It is a super-2 number, since 2×556400170843² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556400170843.

It is not an unprimeable number, because it can be changed into a prime (556400177843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477186528 + ... + 477187693.

It is an arithmetic number, because the mean of its divisors is an integer number (77304311982).

Almost surely, 2^556400170843 is an apocalyptic number.

556400170843 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

556400170843 is a deficient number, since it is larger than the sum of its proper divisors (62034325013).

556400170843 is a wasteful number, since it uses less digits than its factorization.

556400170843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954374285.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 556400170843 in words is "five hundred fifty-six billion, four hundred million, one hundred seventy thousand, eight hundred forty-three".