166252144 has 20 divisors (see below), whose sum is σ = 324653824. Its totient is φ = 82470528.

The previous prime is 166252117. The next prime is 166252153. The reversal of 166252144 is 441252661.

It is a happy number.

166252144 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38877 + ... + 42940.

Almost surely, 2^166252144 is an apocalyptic number.

It is an amenable number.

166252144 is a deficient number, since it is larger than the sum of its proper divisors (158401680).

166252144 is a wasteful number, since it uses less digits than its factorization.

166252144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81952 (or 81946 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 166252144 is about 12893.8800987135. The cubic root of 166252144 is about 549.8645881515.

It can be divided in two parts, 16625 and 2144, that added together give a square (18769 = 137²).

The spelling of 166252144 in words is "one hundred sixty-six million, two hundred fifty-two thousand, one hundred forty-four".