56660543622 has 12 divisors (see below), whose sum is σ = 122764511220. Its totient is φ = 18886847868.

The previous prime is 56660543603. The next prime is 56660543627. The reversal of 56660543622 is 22634506665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56660543627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1573903972 + ... + 1573904007.

It is an arithmetic number, because the mean of its divisors is an integer number (10230375935).

Almost surely, 2^56660543622 is an apocalyptic number.

56660543622 is an abundant number, since it is smaller than the sum of its proper divisors (66103967598).

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

56660543622 is a wasteful number, since it uses less digits than its factorization.

56660543622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147807987 (or 3147807984 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 56660543622 in words is "fifty-six billion, six hundred sixty million, five hundred forty-three thousand, six hundred twenty-two".