166427334 has 12 divisors (see below), whose sum is σ = 360592596. Its totient is φ = 55475772.

The previous prime is 166427311. The next prime is 166427363. The reversal of 166427334 is 433724661.

It is a happy number.

166427334 is a `hidden beast` number, since 1 + 6 + 642 + 7 + 3 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4622964 + ... + 4622999.

It is an arithmetic number, because the mean of its divisors is an integer number (30049383).

Almost surely, 2^166427334 is an apocalyptic number.

166427334 is an abundant number, since it is smaller than the sum of its proper divisors (194165262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166427334 is a wasteful number, since it uses less digits than its factorization.

166427334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245971 (or 9245968 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 166427334 is about 12900.6718429700. The cubic root of 166427334 is about 550.0576622740.

The spelling of 166427334 in words is "one hundred sixty-six million, four hundred twenty-seven thousand, three hundred thirty-four".