166012042 has 16 divisors (see below), whose sum is σ = 285570432. Its totient is φ = 70903440.

The previous prime is 166012031. The next prime is 166012051. The reversal of 166012042 is 240210661.

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, 16134 + ... + 24337.

It is an arithmetic number, because the mean of its divisors is an integer number (17848152).

Almost surely, 2^166012042 is an apocalyptic number.

166012042 is a deficient number, since it is larger than the sum of its proper divisors (119558390).

166012042 is a wasteful number, since it uses less digits than its factorization.

166012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40773.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 166012042 is about 12884.5660384819. The cubic root of 166012042 is about 549.5997550862.

The spelling of 166012042 in words is "one hundred sixty-six million, twelve thousand, forty-two".