166427374 has 16 divisors (see below), whose sum is σ = 251843040. Its totient is φ = 82483200.

The previous prime is 166427363. The next prime is 166427383. The reversal of 166427374 is 473724661.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 137974 + ... + 139174.

It is an arithmetic number, because the mean of its divisors is an integer number (15740190).

Almost surely, 2^166427374 is an apocalyptic number.

166427374 is a deficient number, since it is larger than the sum of its proper divisors (85415666).

166427374 is a wasteful number, since it uses less digits than its factorization.

166427374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its digits is 169344, while the sum is 40.

The square root of 166427374 is about 12900.6733932768. The cubic root of 166427374 is about 550.0577063419.

The spelling of 166427374 in words is "one hundred sixty-six million, four hundred twenty-seven thousand, three hundred seventy-four".