166133484 has 72 divisors (see below), whose sum is σ = 473469360. Its totient is φ = 50339520.

The previous prime is 166133483. The next prime is 166133509. The reversal of 166133484 is 484331661.

It is a happy number.

166133484 is a `hidden beast` number, since 1 + 6 + 613 + 34 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (166133483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6712 + ... + 19424.

Almost surely, 2^166133484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166133484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236734680).

166133484 is an abundant number, since it is smaller than the sum of its proper divisors (307335876).

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

166133484 is a wasteful number, since it uses less digits than its factorization.

166133484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748 (or 12729 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 166133484 is about 12889.2778696093. The cubic root of 166133484 is about 549.7337377864.

The spelling of 166133484 in words is "one hundred sixty-six million, one hundred thirty-three thousand, four hundred eighty-four".