166060342271 has 16 divisors (see below), whose sum is σ = 174001996800. Its totient is φ = 158267342688.

The previous prime is 166060342249. The next prime is 166060342297. The reversal of 166060342271 is 172243060661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 166060342271 - 2⁶ = 166060342207 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 (166060342241) 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, 18522836 + ... + 18531798.

It is an arithmetic number, because the mean of its divisors is an integer number (10875124800).

Almost surely, 2^166060342271 is an apocalyptic number.

166060342271 is a deficient number, since it is larger than the sum of its proper divisors (7941654529).

166060342271 is an equidigital number, since it uses as much as digits as its factorization.

166060342271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17158.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 166060342271 in words is "one hundred sixty-six billion, sixty million, three hundred forty-two thousand, two hundred seventy-one".