166114161 has 12 divisors (see below), whose sum is σ = 240203392. Its totient is φ = 110622456.

The previous prime is 166114141. The next prime is 166114199. The reversal of 166114161 is 161411661.

It is a happy number.

166114161 is a `hidden beast` number, since 1 + 6 + 611 + 41 + 6 + 1 = 666.

It is not a de Polignac number, because 166114161 - 2⁵ = 166114129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166114111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841 + ... + 18246.

Almost surely, 2^166114161 is an apocalyptic number.

It is an amenable number.

166114161 is a deficient number, since it is larger than the sum of its proper divisors (74089231).

166114161 is a wasteful number, since it uses less digits than its factorization.

166114161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20060 (or 20057 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 166114161 is about 12888.5282712961. The cubic root of 166114161 is about 549.7124237671.

The spelling of 166114161 in words is "one hundred sixty-six million, one hundred fourteen thousand, one hundred sixty-one".