166606250 has 96 divisors (see below), whose sum is σ = 348727680. Its totient is φ = 59400000.

The previous prime is 166606243. The next prime is 166606261. The reversal of 166606250 is 52606661.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2731220 + ... + 2731280.

It is an arithmetic number, because the mean of its divisors is an integer number (3632580).

Almost surely, 2^166606250 is an apocalyptic number.

166606250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166606250 is an abundant number, since it is smaller than the sum of its proper divisors (182121430).

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

166606250 is an equidigital number, since it uses as much as digits as its factorization.

166606250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 110 counting only the distinct ones).

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

The square root of 166606250 is about 12907.6043478254. The cubic root of 166606250 is about 550.2547029664.

The spelling of 166606250 in words is "one hundred sixty-six million, six hundred six thousand, two hundred fifty".