166101117 has 16 divisors (see below), whose sum is σ = 272576640. Its totient is φ = 87613632.

The previous prime is 166101113. The next prime is 166101119. The reversal of 166101117 is 711101661.

166101117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166101117 - 2² = 166101113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166101113) 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, 303942 + ... + 304487.

It is an arithmetic number, because the mean of its divisors is an integer number (17036040).

Almost surely, 2^166101117 is an apocalyptic number.

It is an amenable number.

166101117 is a deficient number, since it is larger than the sum of its proper divisors (106475523).

166101117 is a wasteful number, since it uses less digits than its factorization.

166101117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608452.

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 166101117 is about 12888.0222299622. The cubic root of 166101117 is about 549.6980347941.

Adding to 166101117 its reverse (711101661), we get a palindrome (877202778).

The spelling of 166101117 in words is "one hundred sixty-six million, one hundred one thousand, one hundred seventeen".