166890092 has 18 divisors (see below), whose sum is σ = 295993908. Its totient is φ = 82323408.

The previous prime is 166890089. The next prime is 166890103. The reversal of 166890092 is 290098661.

166890092 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

166890092 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235034 + ... + 235742.

It is an arithmetic number, because the mean of its divisors is an integer number (16444106).

Almost surely, 2^166890092 is an apocalyptic number.

It is an amenable number.

166890092 is a deficient number, since it is larger than the sum of its proper divisors (129103816).

166890092 is an frugal number, since it uses more digits than its factorization.

166890092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 166890092 is about 12918.5948152266. The cubic root of 166890092 is about 550.5670097439.

The spelling of 166890092 in words is "one hundred sixty-six million, eight hundred ninety thousand, ninety-two".