166650450 has 48 divisors (see below), whose sum is σ = 414140160. Its totient is φ = 44349120.

The previous prime is 166650437. The next prime is 166650457. The reversal of 166650450 is 54056661.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166650457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105567 + ... + 107133.

It is an arithmetic number, because the mean of its divisors is an integer number (8627920).

Almost surely, 2^166650450 is an apocalyptic number.

166650450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166650450 is an abundant number, since it is smaller than the sum of its proper divisors (247489710).

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

166650450 is a wasteful number, since it uses less digits than its factorization.

166650450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 166650450 is about 12909.3164032802. The cubic root of 166650450 is about 550.3033588190.

The spelling of 166650450 in words is "one hundred sixty-six million, six hundred fifty thousand, four hundred fifty".