56166106042442 has 16 divisors (see below), whose sum is σ = 92012496113664. Its totient is φ = 25501069704000.

The previous prime is 56166106042391. The next prime is 56166106042451. The reversal of 56166106042442 is 24424060166165.

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, 1448905034 + ... + 1448943797.

It is an arithmetic number, because the mean of its divisors is an integer number (5750781007104).

Almost surely, 2^{56166106042442} is an apocalyptic number.

56166106042442 is a deficient number, since it is larger than the sum of its proper divisors (35846390071222).

56166106042442 is a wasteful number, since it uses less digits than its factorization.

56166106042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897849725.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 56166106042442 in words is "fifty-six trillion, one hundred sixty-six billion, one hundred six million, forty-two thousand, four hundred forty-two".