166493300 has 36 divisors (see below), whose sum is σ = 361916940. Its totient is φ = 66481920.

The previous prime is 166493293. The next prime is 166493309. The reversal of 166493300 is 3394661.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 753424 + 165739876 = 868^2 + 12874^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166493309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78656 + ... + 80744.

Almost surely, 2^166493300 is an apocalyptic number.

166493300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166493300 is an abundant number, since it is smaller than the sum of its proper divisors (195423640).

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

166493300 is a wasteful number, since it uses less digits than its factorization.

166493300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 166493300 is about 12903.2282782256. The cubic root of 166493300 is about 550.1303272421.

The spelling of 166493300 in words is "one hundred sixty-six million, four hundred ninety-three thousand, three hundred".