166454252 has 24 divisors (see below), whose sum is σ = 301271040. Its totient is φ = 80387280.

The previous prime is 166454251. The next prime is 166454257. The reversal of 166454252 is 252454661.

It is not an unprimeable number, because it can be changed into a prime (166454251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88223 + ... + 90089.

It is an arithmetic number, because the mean of its divisors is an integer number (12552960).

Almost surely, 2^166454252 is an apocalyptic number.

It is an amenable number.

166454252 is a deficient number, since it is larger than the sum of its proper divisors (134816788).

166454252 is a wasteful number, since it uses less digits than its factorization.

166454252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621 (or 2619 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 166454252 is about 12901.7150797869. The cubic root of 166454252 is about 550.0873161648.

The spelling of 166454252 in words is "one hundred sixty-six million, four hundred fifty-four thousand, two hundred fifty-two".