166293093 has 16 divisors (see below), whose sum is σ = 226483200. Its totient is φ = 108499440.

The previous prime is 166293091. The next prime is 166293119. The reversal of 166293093 is 390392661.

It is not a de Polignac number, because 166293093 - 2¹ = 166293091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166293091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40338 + ... + 44268.

It is an arithmetic number, because the mean of its divisors is an integer number (14155200).

Almost surely, 2^166293093 is an apocalyptic number.

It is an amenable number.

166293093 is a deficient number, since it is larger than the sum of its proper divisors (60190107).

166293093 is a wasteful number, since it uses less digits than its factorization.

166293093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 166293093 is about 12895.4679248176. The cubic root of 166293093 is about 549.9097295375.

The spelling of 166293093 in words is "one hundred sixty-six million, two hundred ninety-three thousand, ninety-three".