166260800 has 42 divisors (see below), whose sum is σ = 409109418. Its totient is φ = 66503680.

The previous prime is 166260791. The next prime is 166260817. The reversal of 166260800 is 8062661.

It can be written as a sum of positive squares in 3 ways, for example, as 984064 + 165276736 = 992^2 + 12856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50357 + ... + 53556.

Almost surely, 2^166260800 is an apocalyptic number.

166260800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166260800 is an abundant number, since it is smaller than the sum of its proper divisors (242848618).

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

166260800 is a wasteful number, since it uses less digits than its factorization.

166260800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103935 (or 103920 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 166260800 is about 12894.2157574627. The cubic root of 166260800 is about 549.8741309763.

The spelling of 166260800 in words is "one hundred sixty-six million, two hundred sixty thousand, eight hundred".