56222166660 has 96 divisors (see below), whose sum is σ = 171810035712. Its totient is φ = 13623515520.

The previous prime is 56222166647. The next prime is 56222166677. The reversal of 56222166660 is 6666122265.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554907 + ... + 1590653.

It is an arithmetic number, because the mean of its divisors is an integer number (1789687872).

Almost surely, 2^56222166660 is an apocalyptic number.

It is an amenable number.

56222166660 is an abundant number, since it is smaller than the sum of its proper divisors (115587869052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56222166660 is a wasteful number, since it uses less digits than its factorization.

56222166660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38153 (or 38151 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

It can be divided in two parts, 562221 and 66660, that added together give a triangular number (628881 = T₁₁₂₁).

The spelling of 56222166660 in words is "fifty-six billion, two hundred twenty-two million, one hundred sixty-six thousand, six hundred sixty".