56254141666 has 8 divisors (see below), whose sum is σ = 84390019164. Its totient is φ = 28124135280.

The previous prime is 56254141639. The next prime is 56254141721. The reversal of 56254141666 is 66614145265.

It can be written as a sum of positive squares in 2 ways, for example, as 49762455625 + 6491686041 = 223075^2 + 80571^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443745 + ... + 1482196.

Almost surely, 2^56254141666 is an apocalyptic number.

56254141666 is a deficient number, since it is larger than the sum of its proper divisors (28135877498).

56254141666 is a wasteful number, since it uses less digits than its factorization.

56254141666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935556.

The product of its digits is 1036800, while the sum is 46.

The spelling of 56254141666 in words is "fifty-six billion, two hundred fifty-four million, one hundred forty-one thousand, six hundred sixty-six".