166201173151 has 16 divisors (see below), whose sum is σ = 179620001568. Its totient is φ = 152873884800.

The previous prime is 166201173143. The next prime is 166201173157. The reversal of 166201173151 is 151371102661.

It is not a de Polignac number, because 166201173151 - 2³ = 166201173143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166201173157) 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, 4302061 + ... + 4340521.

It is an arithmetic number, because the mean of its divisors is an integer number (11226250098).

Almost surely, 2^166201173151 is an apocalyptic number.

166201173151 is a deficient number, since it is larger than the sum of its proper divisors (13418828417).

166201173151 is a wasteful number, since it uses less digits than its factorization.

166201173151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39642.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 166201173151 in words is "one hundred sixty-six billion, two hundred one million, one hundred seventy-three thousand, one hundred fifty-one".