166001252 has 36 divisors (see below), whose sum is σ = 311416560. Its totient is φ = 77211360.

The previous prime is 166001237. The next prime is 166001257. The reversal of 166001252 is 252100661.

166001252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166001257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282503 + ... + 283089.

It is an arithmetic number, because the mean of its divisors is an integer number (8650460).

Almost surely, 2^166001252 is an apocalyptic number.

It is an amenable number.

166001252 is a deficient number, since it is larger than the sum of its proper divisors (145415308).

166001252 is a wasteful number, since it uses less digits than its factorization.

166001252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 166001252 is about 12884.1473136564. The cubic root of 166001252 is about 549.5878476973.

The spelling of 166001252 in words is "one hundred sixty-six million, one thousand, two hundred fifty-two".