166880000 has 180 divisors, whose sum is σ = 478909200. Its totient is φ = 56832000.

The previous prime is 166879997. The next prime is 166880017. The reversal of 166880000 is 88661.

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 19 ways as a sum of consecutive naturals, for example, 1119926 + ... + 1120074.

Almost surely, 2^166880000 is an apocalyptic number.

166880000 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 166880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239454600).

166880000 is an abundant number, since it is smaller than the sum of its proper divisors (312029200).

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

166880000 is an frugal number, since it uses more digits than its factorization.

166880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 166880000 is about 12918.2042095641. The cubic root of 166880000 is about 550.5559117528. Note that the first 3 decimals are identical.

The spelling of 166880000 in words is "one hundred sixty-six million, eight hundred eighty thousand".