56660005550610 has 288 divisors, whose sum is σ = 190011188487744. Its totient is φ = 11580498720000.

The previous prime is 56660005550591. The next prime is 56660005550693. The reversal of 56660005550610 is 1605550006665.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6614716 + ... + 12532935.

It is an arithmetic number, because the mean of its divisors is an integer number (659761071138).

Almost surely, 2^{56660005550610} is an apocalyptic number.

56660005550610 is an abundant number, since it is smaller than the sum of its proper divisors (133351182937134).

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

56660005550610 is a wasteful number, since it uses less digits than its factorization.

56660005550610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19147750 (or 19147740 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 56660005550610 in words is "fifty-six trillion, six hundred sixty billion, five million, five hundred fifty thousand, six hundred ten".