166486000 has 40 divisors (see below), whose sum is σ = 402567984. Its totient is φ = 66593600.

The previous prime is 166485973. The next prime is 166486043. The reversal of 166486000 is 684661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39622 + ... + 43621.

Almost surely, 2^166486000 is an apocalyptic number.

166486000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166486000 is an abundant number, since it is smaller than the sum of its proper divisors (236081984).

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

166486000 is an equidigital number, since it uses as much as digits as its factorization.

166486000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83266 (or 83250 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 166486000 is about 12902.9454001790. The cubic root of 166486000 is about 550.1222868583.

The spelling of 166486000 in words is "one hundred sixty-six million, four hundred eighty-six thousand".