166253612 has 12 divisors (see below), whose sum is σ = 332507280. Its totient is φ = 71251536.

The previous prime is 166253611. The next prime is 166253627. The reversal of 166253612 is 216352661.

166253612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

166253612 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (166253611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2968787 + ... + 2968842.

It is an arithmetic number, because the mean of its divisors is an integer number (27708940).

Almost surely, 2^166253612 is an apocalyptic number.

It is an amenable number.

166253612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166253612 is a wasteful number, since it uses less digits than its factorization.

166253612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937640 (or 5937638 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 166253612 is about 12893.9370248191. The cubic root of 166253612 is about 549.8662065744.

The spelling of 166253612 in words is "one hundred sixty-six million, two hundred fifty-three thousand, six hundred twelve".