166761042 has 32 divisors (see below), whose sum is σ = 385107072. Its totient is φ = 47153664.

The previous prime is 166761031. The next prime is 166761061. The reversal of 166761042 is 240167661.

It is a junction number, because it is equal to n+sod(n) for n = 166760994 and 166761012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16393 + ... + 24540.

It is an arithmetic number, because the mean of its divisors is an integer number (12034596).

Almost surely, 2^166761042 is an apocalyptic number.

166761042 is an abundant number, since it is smaller than the sum of its proper divisors (218346030).

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

166761042 is a wasteful number, since it uses less digits than its factorization.

166761042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41042.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 166761042 is about 12913.5991110147. The cubic root of 166761042 is about 550.4250620440.

The spelling of 166761042 in words is "one hundred sixty-six million, seven hundred sixty-one thousand, forty-two".