166700170017 has 16 divisors (see below), whose sum is σ = 257700746880. Its totient is φ = 106301557296.

The previous prime is 166700169973. The next prime is 166700170027. The reversal of 166700170017 is 710071007661.

It is not a de Polignac number, because 166700170017 - 2¹⁹ = 166699645729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166700170027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134218518 + ... + 134219759.

It is an arithmetic number, because the mean of its divisors is an integer number (16106296680).

Almost surely, 2^166700170017 is an apocalyptic number.

It is an amenable number.

166700170017 is a deficient number, since it is larger than the sum of its proper divisors (91000576863).

166700170017 is a wasteful number, since it uses less digits than its factorization.

166700170017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268438309 (or 268438303 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

Adding to 166700170017 its reverse (710071007661), we get a palindrome (876771177678).

The spelling of 166700170017 in words is "one hundred sixty-six billion, seven hundred million, one hundred seventy thousand, seventeen".