166345113 has 24 divisors (see below), whose sum is σ = 249482464. Its totient is φ = 98461440.

The previous prime is 166345097. The next prime is 166345129. The reversal of 166345113 is 311543661.

It is an interprime number because it is at equal distance from previous prime (166345097) and next prime (166345129).

It is not a de Polignac number, because 166345113 - 2⁴ = 166345097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166345213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10281 + ... + 20937.

Almost surely, 2^166345113 is an apocalyptic number.

It is an amenable number.

166345113 is a deficient number, since it is larger than the sum of its proper divisors (83137351).

166345113 is a wasteful number, since it uses less digits than its factorization.

166345113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725 (or 10714 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 166345113 is about 12897.4847547884. The cubic root of 166345113 is about 549.9670646945.

Adding to 166345113 its reverse (311543661), we get a palindrome (477888774).

The spelling of 166345113 in words is "one hundred sixty-six million, three hundred forty-five thousand, one hundred thirteen".