166885252 has 24 divisors (see below), whose sum is σ = 299950560. Its totient is φ = 81195840.

The previous prime is 166885249. The next prime is 166885253. The reversal of 166885252 is 252588661.

It is a super-3 number, since 3×166885252³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166885199 and 166885208.

It is not an unprimeable number, because it can be changed into a prime (166885253) 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, 75499 + ... + 77677.

It is an arithmetic number, because the mean of its divisors is an integer number (12497940).

Almost surely, 2^166885252 is an apocalyptic number.

It is an amenable number.

166885252 is a deficient number, since it is larger than the sum of its proper divisors (133065308).

166885252 is a wasteful number, since it uses less digits than its factorization.

166885252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 166885252 is about 12918.4074869931. The cubic root of 166885252 is about 550.5616873387.

The spelling of 166885252 in words is "one hundred sixty-six million, eight hundred eighty-five thousand, two hundred fifty-two".