166376016161237 has 16 divisors (see below), whose sum is σ = 168152475598848. Its totient is φ = 164602687549440.

The previous prime is 166376016161227. The next prime is 166376016161371. The reversal of 166376016161237 is 732161610673661.

It is a cyclic number.

It is not a de Polignac number, because 166376016161237 - 2¹⁰ = 166376016160213 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 (166376016161227) 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, 1152251948 + ... + 1152396330.

It is an arithmetic number, because the mean of its divisors is an integer number (10509529724928).

Almost surely, 2^{166376016161237} is an apocalyptic number.

It is an amenable number.

166376016161237 is a deficient number, since it is larger than the sum of its proper divisors (1776459437611).

166376016161237 is a wasteful number, since it uses less digits than its factorization.

166376016161237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155140.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 166376016161237 in words is "one hundred sixty-six trillion, three hundred seventy-six billion, sixteen million, one hundred sixty-one thousand, two hundred thirty-seven".