166182137 has 4 divisors (see below), whose sum is σ = 181289616. Its totient is φ = 151074660.

The previous prime is 166182131. The next prime is 166182139. The reversal of 166182137 is 731281661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 166182137 - 2⁸ = 166181881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166182097 and 166182106.

It is not an unprimeable number, because it can be changed into a prime (166182131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553723 + ... + 7553744.

It is an arithmetic number, because the mean of its divisors is an integer number (45322404).

Almost surely, 2^166182137 is an apocalyptic number.

It is an amenable number.

166182137 is a deficient number, since it is larger than the sum of its proper divisors (15107479).

166182137 is a wasteful number, since it uses less digits than its factorization.

166182137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15107478.

The product of its digits is 12096, while the sum is 35.

The square root of 166182137 is about 12891.1650753530. The cubic root of 166182137 is about 549.7873966163.

The spelling of 166182137 in words is "one hundred sixty-six million, one hundred eighty-two thousand, one hundred thirty-seven".