166607170115 has 16 divisors (see below), whose sum is σ = 213709478976. Its totient is φ = 124381171200.

The previous prime is 166607170111. The next prime is 166607170117. The reversal of 166607170115 is 511071706661.

166607170115 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 166607170115 - 2² = 166607170111 is a prime.

It is a super-2 number, since 2×166607170115² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166607170111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17663066 + ... + 17672495.

It is an arithmetic number, because the mean of its divisors is an integer number (13356842436).

Almost surely, 2^166607170115 is an apocalyptic number.

166607170115 is a deficient number, since it is larger than the sum of its proper divisors (47102308861).

166607170115 is a wasteful number, since it uses less digits than its factorization.

166607170115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35335630.

The product of its (nonzero) digits is 52920, while the sum is 41.

Adding to 166607170115 its reverse (511071706661), we get a palindrome (677678876776).

The spelling of 166607170115 in words is "one hundred sixty-six billion, six hundred seven million, one hundred seventy thousand, one hundred fifteen".