166427526 has 16 divisors (see below), whose sum is σ = 339135984. Its totient is φ = 54429024.

The previous prime is 166427461. The next prime is 166427537. The reversal of 166427526 is 625724661.

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 7 ways as a sum of consecutive naturals, for example, 261361 + ... + 261996.

It is an arithmetic number, because the mean of its divisors is an integer number (21195999).

Almost surely, 2^166427526 is an apocalyptic number.

166427526 is an abundant number, since it is smaller than the sum of its proper divisors (172708458).

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

166427526 is a wasteful number, since it uses less digits than its factorization.

166427526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523415.

The product of its digits is 120960, while the sum is 39.

The square root of 166427526 is about 12900.6792844408. The cubic root of 166427526 is about 550.0578737998.

The spelling of 166427526 in words is "one hundred sixty-six million, four hundred twenty-seven thousand, five hundred twenty-six".