166790168 has 32 divisors (see below), whose sum is σ = 328320000. Its totient is φ = 79330080.

The previous prime is 166790167. The next prime is 166790201. The reversal of 166790168 is 861097661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166790161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8933 + ... + 20331.

It is an arithmetic number, because the mean of its divisors is an integer number (10260000).

Almost surely, 2^166790168 is an apocalyptic number.

It is an amenable number.

166790168 is a deficient number, since it is larger than the sum of its proper divisors (161529832).

166790168 is a wasteful number, since it uses less digits than its factorization.

166790168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495 (or 11491 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 166790168 is about 12914.7267876638. The cubic root of 166790168 is about 550.4571053936.

The spelling of 166790168 in words is "one hundred sixty-six million, seven hundred ninety thousand, one hundred sixty-eight".