56100615566 has 16 divisors (see below), whose sum is σ = 84670518240. Its totient is φ = 27877550880.

The previous prime is 56100615509. The next prime is 56100615583. The reversal of 56100615566 is 66551600165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145151 + ... + 365061.

It is an arithmetic number, because the mean of its divisors is an integer number (5291907390).

Almost surely, 2^56100615566 is an apocalyptic number.

56100615566 is a deficient number, since it is larger than the sum of its proper divisors (28569902674).

56100615566 is a wasteful number, since it uses less digits than its factorization.

56100615566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220699.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 56100615566 in words is "fifty-six billion, one hundred million, six hundred fifteen thousand, five hundred sixty-six".