166207250 has 64 divisors (see below), whose sum is σ = 357402240. Its totient is φ = 57240000.

The previous prime is 166207247. The next prime is 166207253. The reversal of 166207250 is 52702661.

166207250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166207247) and next prime (166207253).

It is not an unprimeable number, because it can be changed into a prime (166207253) 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 31 ways as a sum of consecutive naturals, for example, 50660 + ... + 53840.

It is an arithmetic number, because the mean of its divisors is an integer number (5584410).

Almost surely, 2^166207250 is an apocalyptic number.

166207250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166207250 is an abundant number, since it is smaller than the sum of its proper divisors (191194990).

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

166207250 is a wasteful number, since it uses less digits than its factorization.

166207250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 166207250 is about 12892.1390777481. The cubic root of 166207250 is about 549.8150893549.

The spelling of 166207250 in words is "one hundred sixty-six million, two hundred seven thousand, two hundred fifty".