166801715283 has 16 divisors (see below), whose sum is σ = 262373206016. Its totient is φ = 92240579520.

The previous prime is 166801715281. The next prime is 166801715299. The reversal of 166801715283 is 382517108661.

It is not a de Polignac number, because 166801715283 - 2¹ = 166801715281 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166801715281) 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, 128111266 + ... + 128112567.

It is an arithmetic number, because the mean of its divisors is an integer number (16398325376).

Almost surely, 2^166801715283 is an apocalyptic number.

166801715283 is a deficient number, since it is larger than the sum of its proper divisors (95571490733).

166801715283 is a wasteful number, since it uses less digits than its factorization.

166801715283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256223874.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 166801715283 in words is "one hundred sixty-six billion, eight hundred one million, seven hundred fifteen thousand, two hundred eighty-three".