166330500 has 288 divisors, whose sum is σ = 589575168. Its totient is φ = 36288000.

The previous prime is 166330487. The next prime is 166330513. The reversal of 166330500 is 5033661.

It is an interprime number because it is at equal distance from previous prime (166330487) and next prime (166330513).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2278464 + ... + 2278536.

It is an arithmetic number, because the mean of its divisors is an integer number (2047136).

Almost surely, 2^166330500 is an apocalyptic number.

166330500 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 166330500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294787584).

166330500 is an abundant number, since it is smaller than the sum of its proper divisors (423244668).

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

166330500 is a wasteful number, since it uses less digits than its factorization.

166330500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 166330500 is about 12896.9182365401. The cubic root of 166330500 is about 549.9509598148.

The spelling of 166330500 in words is "one hundred sixty-six million, three hundred thirty thousand, five hundred".