166283264 has 72 divisors (see below), whose sum is σ = 387002070. Its totient is φ = 71221248.

The previous prime is 166283251. The next prime is 166283281. The reversal of 166283264 is 462382661.

It can be written as a sum of positive squares in only one way, i.e., 151782400 + 14500864 = 12320^2 + 3808^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99524 + ... + 101180.

Almost surely, 2^166283264 is an apocalyptic number.

166283264 is a gapful number since it is divisible by the number (14) 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 166283264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193501035).

166283264 is an abundant number, since it is smaller than the sum of its proper divisors (220718806).

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

166283264 is an equidigital number, since it uses as much as digits as its factorization.

166283264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1666 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 166283264 is about 12895.0868163033. The cubic root of 166283264 is about 549.8988949139.

The spelling of 166283264 in words is "one hundred sixty-six million, two hundred eighty-three thousand, two hundred sixty-four".