56700506260066 has 16 divisors (see below), whose sum is σ = 85804117475328. Its totient is φ = 28099137841600.

The previous prime is 56700506260009. The next prime is 56700506260091. The reversal of 56700506260066 is 66006260500765.

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, 28814271 + ... + 30719101.

It is an arithmetic number, because the mean of its divisors is an integer number (5362757342208).

Almost surely, 2^{56700506260066} is an apocalyptic number.

56700506260066 is a deficient number, since it is larger than the sum of its proper divisors (29103611215262).

56700506260066 is a wasteful number, since it uses less digits than its factorization.

56700506260066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036657.

The product of its (nonzero) digits is 2721600, while the sum is 49.

It can be divided in two parts, 5670050 and 6260066, that added together give a square (11930116 = 3454²).

The spelling of 56700506260066 in words is "fifty-six trillion, seven hundred billion, five hundred six million, two hundred sixty thousand, sixty-six".