190665166 has 16 divisors (see below), whose sum is σ = 303583680. Its totient is φ = 89498880.

The previous prime is 190665151. The next prime is 190665197. The reversal of 190665166 is 661566091.

It is a congruent number.

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, 7051 + ... + 20761.

It is an arithmetic number, because the mean of its divisors is an integer number (18973980).

Almost surely, 2^190665166 is an apocalyptic number.

190665166 is a deficient number, since it is larger than the sum of its proper divisors (112918514).

190665166 is a wasteful number, since it uses less digits than its factorization.

190665166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 190665166 is about 13808.1557783797. The cubic root of 190665166 is about 575.5597986173.

The spelling of 190665166 in words is "one hundred ninety million, six hundred sixty-five thousand, one hundred sixty-six".