166182101 has 2 divisors, whose sum is σ = 166182102. Its totient is φ = 166182100.

The previous prime is 166182097. The next prime is 166182131. The reversal of 166182101 is 101281661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165739876 + 442225 = 12874^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 166182101 - 2² = 166182097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166182131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83091050 + 83091051.

It is an arithmetic number, because the mean of its divisors is an integer number (83091051).

Almost surely, 2^166182101 is an apocalyptic number.

It is an amenable number.

166182101 is a deficient number, since it is larger than the sum of its proper divisors (1).

166182101 is an equidigital number, since it uses as much as digits as its factorization.

166182101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 166182101 is about 12891.1636790478. The cubic root of 166182101 is about 549.7873569162.

The spelling of 166182101 in words is "one hundred sixty-six million, one hundred eighty-two thousand, one hundred one".