166204093 has 8 divisors (see below), whose sum is σ = 181421856. Its totient is φ = 151004400.

The previous prime is 166204081. The next prime is 166204109. The reversal of 166204093 is 390402661.

166204093 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 166204093 - 2²¹ = 164106941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166204043) 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, 21030 + ... + 27832.

It is an arithmetic number, because the mean of its divisors is an integer number (22677732).

Almost surely, 2^166204093 is an apocalyptic number.

It is an amenable number.

166204093 is a deficient number, since it is larger than the sum of its proper divisors (15217763).

166204093 is a wasteful number, since it uses less digits than its factorization.

166204093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9035.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166204093 is about 12892.0166382145. The cubic root of 166204093 is about 549.8116082047.

The spelling of 166204093 in words is "one hundred sixty-six million, two hundred four thousand, ninety-three".