166487200 has 72 divisors (see below), whose sum is σ = 443409120. Its totient is φ = 60537600.

The previous prime is 166487159. The next prime is 166487219. The reversal of 166487200 is 2784661.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (6158460).

Almost surely, 2^166487200 is an apocalyptic number.

166487200 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 166487200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221704560).

166487200 is an abundant number, since it is smaller than the sum of its proper divisors (276921920).

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

166487200 is a wasteful number, since it uses less digits than its factorization.

166487200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18950 (or 18937 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 166487200 is about 12902.9919011057. The cubic root of 166487200 is about 550.1236085814.

The spelling of 166487200 in words is "one hundred sixty-six million, four hundred eighty-seven thousand, two hundred".