166515104 has 48 divisors (see below), whose sum is σ = 383818176. Its totient is φ = 69619200.

The previous prime is 166515091. The next prime is 166515109. The reversal of 166515104 is 401515661.

It is not an unprimeable number, because it can be changed into a prime (166515109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (7996212).

Almost surely, 2^166515104 is an apocalyptic number.

166515104 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 166515104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191909088).

166515104 is an abundant number, since it is smaller than the sum of its proper divisors (217303072).

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

166515104 is a wasteful number, since it uses less digits than its factorization.

166515104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18189 (or 18181 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 166515104 is about 12904.0731554033. The cubic root of 166515104 is about 550.1543412576.

The spelling of 166515104 in words is "one hundred sixty-six million, five hundred fifteen thousand, one hundred four".