166130154 has 96 divisors (see below), whose sum is σ = 400392720. Its totient is φ = 49545216.

The previous prime is 166130149. The next prime is 166130161. The reversal of 166130154 is 451031661.

166130154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 82901025 + 83229129 = 9105^2 + 9123^2 .

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 47 ways as a sum of consecutive naturals, for example, 860682 + ... + 860874.

Almost surely, 2^166130154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166130154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200196360).

166130154 is an abundant number, since it is smaller than the sum of its proper divisors (234262566).

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

166130154 is a wasteful number, since it uses less digits than its factorization.

166130154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 166130154 is about 12889.1486918260. The cubic root of 166130154 is about 549.7300647850.

The spelling of 166130154 in words is "one hundred sixty-six million, one hundred thirty thousand, one hundred fifty-four".