166594093 has 8 divisors (see below), whose sum is σ = 174536960. Its totient is φ = 158811840.

The previous prime is 166594081. The next prime is 166594117. The reversal of 166594093 is 390495661.

166594093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166594093 - 2¹⁷ = 166463021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166594063) 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, 38028 + ... + 42181.

It is an arithmetic number, because the mean of its divisors is an integer number (21817120).

Almost surely, 2^166594093 is an apocalyptic number.

It is an amenable number.

166594093 is a deficient number, since it is larger than the sum of its proper divisors (7942867).

166594093 is an equidigital number, since it uses as much as digits as its factorization.

166594093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80307.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 166594093 is about 12907.1334152863. The cubic root of 166594093 is about 550.2413188964.

The spelling of 166594093 in words is "one hundred sixty-six million, five hundred ninety-four thousand, ninety-three".