166292272137 has 64 divisors (see below), whose sum is σ = 243112955904. Its totient is φ = 100715028480.

The previous prime is 166292272123. The next prime is 166292272141. The reversal of 166292272137 is 731272292661.

166292272137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166292272137 - 2¹⁵ = 166292239369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166292272177) 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 63 ways as a sum of consecutive naturals, for example, 34136812 + ... + 34141682.

It is an arithmetic number, because the mean of its divisors is an integer number (3798639936).

Almost surely, 2^166292272137 is an apocalyptic number.

166292272137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

166292272137 is a deficient number, since it is larger than the sum of its proper divisors (76820683767).

166292272137 is a wasteful number, since it uses less digits than its factorization.

166292272137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158.

The product of its digits is 762048, while the sum is 48.

The spelling of 166292272137 in words is "one hundred sixty-six billion, two hundred ninety-two million, two hundred seventy-two thousand, one hundred thirty-seven".