166950000 has 360 divisors, whose sum is σ = 680018976. Its totient is φ = 37440000.

The previous prime is 166949983. The next prime is 166950011. The reversal of 166950000 is 59661.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3149974 + ... + 3150026.

Almost surely, 2^166950000 is an apocalyptic number.

166950000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340009488).

166950000 is an abundant number, since it is smaller than the sum of its proper divisors (513068976).

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

166950000 is an equidigital number, since it uses as much as digits as its factorization.

166950000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 166950000 is about 12920.9132804148. The cubic root of 166950000 is about 550.6328802862.

The spelling of 166950000 in words is "one hundred sixty-six million, nine hundred fifty thousand".