166441130442 has 48 divisors (see below), whose sum is σ = 368962039680. Its totient is φ = 54209412000.

The previous prime is 166441130437. The next prime is 166441130543. The reversal of 166441130442 is 244031144661.

166441130442 is a `hidden beast` number, since 1 + 6 + 644 + 1 + 1 + 3 + 0 + 4 + 4 + 2 = 666.

166441130442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166441130397 and 166441130406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336142 + ... + 667737.

It is an arithmetic number, because the mean of its divisors is an integer number (7686709160).

Almost surely, 2^166441130442 is an apocalyptic number.

166441130442 is an abundant number, since it is smaller than the sum of its proper divisors (202520909238).

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

166441130442 is a wasteful number, since it uses less digits than its factorization.

166441130442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004099 (or 1004096 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 166441130442 in words is "one hundred sixty-six billion, four hundred forty-one million, one hundred thirty thousand, four hundred forty-two".