166252254 has 32 divisors (see below), whose sum is σ = 388094976. Its totient is φ = 46489440.

The previous prime is 166252249. The next prime is 166252279. The reversal of 166252254 is 452252661.

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 15 ways as a sum of consecutive naturals, for example, 40137 + ... + 44084.

It is an arithmetic number, because the mean of its divisors is an integer number (12127968).

Almost surely, 2^166252254 is an apocalyptic number.

166252254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166252254 is an abundant number, since it is smaller than the sum of its proper divisors (221842722).

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

166252254 is a wasteful number, since it uses less digits than its factorization.

166252254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84280.

The product of its digits is 28800, while the sum is 33.

The square root of 166252254 is about 12893.8843643023. The cubic root of 166252254 is about 549.8647094233.

It can be divided in two parts, 1662522 and 54, that added together give a triangular number (1662576 = T₁₈₂₃).

The spelling of 166252254 in words is "one hundred sixty-six million, two hundred fifty-two thousand, two hundred fifty-four".