166225254 has 16 divisors (see below), whose sum is σ = 358023792. Its totient is φ = 51146208.

The previous prime is 166225247. The next prime is 166225259. The reversal of 166225254 is 452522661.

166225254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166225259) 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, 1065469 + ... + 1065624.

It is an arithmetic number, because the mean of its divisors is an integer number (22376487).

Almost surely, 2^166225254 is an apocalyptic number.

166225254 is an abundant number, since it is smaller than the sum of its proper divisors (191798538).

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

166225254 is a wasteful number, since it uses less digits than its factorization.

166225254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131111.

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

The square root of 166225254 is about 12892.8373137956. The cubic root of 166225254 is about 549.8349411032.

The spelling of 166225254 in words is "one hundred sixty-six million, two hundred twenty-five thousand, two hundred fifty-four".