166000250 has 48 divisors (see below), whose sum is σ = 336580920. Its totient is φ = 61276800.

The previous prime is 166000231. The next prime is 166000301. The reversal of 166000250 is 52000661.

It can be written as a sum of positive squares in 12 ways, for example, as 85951441 + 80048809 = 9271^2 + 8947^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40286 + ... + 44214.

Almost surely, 2^166000250 is an apocalyptic number.

166000250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166000250 is an abundant number, since it is smaller than the sum of its proper divisors (170580670).

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

166000250 is a wasteful number, since it uses less digits than its factorization.

166000250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972 (or 3949 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 166000250 is about 12884.1084286030. The cubic root of 166000250 is about 549.5867419062.

The spelling of 166000250 in words is "one hundred sixty-six million, two hundred fifty", and thus it is an aban number.