166768042 has 16 divisors (see below), whose sum is σ = 286054272. Its totient is φ = 71430480.

The previous prime is 166768031. The next prime is 166768057. The reversal of 166768042 is 240867661.

166768042 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 = 166767986 and 166768004.

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, 42808 + ... + 46540.

It is an arithmetic number, because the mean of its divisors is an integer number (17878392).

Almost surely, 2^166768042 is an apocalyptic number.

166768042 is a deficient number, since it is larger than the sum of its proper divisors (119286230).

166768042 is a wasteful number, since it uses less digits than its factorization.

166768042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 166768042 is about 12913.8701402794. The cubic root of 166768042 is about 550.4327635261.

The spelling of 166768042 in words is "one hundred sixty-six million, seven hundred sixty-eight thousand, forty-two".