166662252 has 24 divisors (see below), whose sum is σ = 432087600. Its totient is φ = 55554048.

The previous prime is 166662241. The next prime is 166662259. The reversal of 166662252 is 252266661.

166662252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (166662259) 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, 771477 + ... + 771692.

It is an arithmetic number, because the mean of its divisors is an integer number (18003650).

Almost surely, 2^166662252 is an apocalyptic number.

166662252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166662252 is an abundant number, since it is smaller than the sum of its proper divisors (265425348).

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

166662252 is a wasteful number, since it uses less digits than its factorization.

166662252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543182 (or 1543174 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 166662252 is about 12909.7735069210. The cubic root of 166662252 is about 550.3163491368.

The spelling of 166662252 in words is "one hundred sixty-six million, six hundred sixty-two thousand, two hundred fifty-two".