166105113 has 24 divisors (see below), whose sum is σ = 237571488. Its totient is φ = 102874752.

The previous prime is 166105111. The next prime is 166105117. The reversal of 166105113 is 311501661.

It is not a de Polignac number, because 166105113 - 2¹ = 166105111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166105111) 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, 540906 + ... + 541212.

It is an arithmetic number, because the mean of its divisors is an integer number (9898812).

Almost surely, 2^166105113 is an apocalyptic number.

It is an amenable number.

166105113 is a deficient number, since it is larger than the sum of its proper divisors (71466375).

166105113 is a wasteful number, since it uses less digits than its factorization.

166105113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 166105113 is about 12888.1772566954. The cubic root of 166105113 is about 549.7024429036.

Adding to 166105113 its reverse (311501661), we get a palindrome (477606774).

The spelling of 166105113 in words is "one hundred sixty-six million, one hundred five thousand, one hundred thirteen".