166031762045 has 16 divisors (see below), whose sum is σ = 199565638272. Its totient is φ = 132607237440.

The previous prime is 166031762033. The next prime is 166031762081. The reversal of 166031762045 is 540267130661.

It is not a de Polignac number, because 166031762045 - 2²⁴ = 166014984829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166031761993 and 166031762011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8547314 + ... + 8566716.

It is an arithmetic number, because the mean of its divisors is an integer number (12472852392).

Almost surely, 2^166031762045 is an apocalyptic number.

It is an amenable number.

166031762045 is a deficient number, since it is larger than the sum of its proper divisors (33533876227).

166031762045 is a wasteful number, since it uses less digits than its factorization.

166031762045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 166031762045 in words is "one hundred sixty-six billion, thirty-one million, seven hundred sixty-two thousand, forty-five".