556900163887 has 8 divisors (see below), whose sum is σ = 558369736400. Its totient is φ = 555432137280.

The previous prime is 556900163851. The next prime is 556900163893. The reversal of 556900163887 is 788361009655.

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 556900163887 - 2¹⁵ = 556900131119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556900163387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336739 + ... + 1107787.

It is an arithmetic number, because the mean of its divisors is an integer number (69796217050).

Almost surely, 2^556900163887 is an apocalyptic number.

556900163887 is a deficient number, since it is larger than the sum of its proper divisors (1469572513).

556900163887 is a wasteful number, since it uses less digits than its factorization.

556900163887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772953.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 556900163887 in words is "five hundred fifty-six billion, nine hundred million, one hundred sixty-three thousand, eight hundred eighty-seven".