166305153 has 16 divisors (see below), whose sum is σ = 254823296. Its totient is φ = 94504320.

The previous prime is 166305127. The next prime is 166305163. The reversal of 166305153 is 351503661.

166305153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166305153 - 2⁶ = 166305089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166305153.

It is not an unprimeable number, because it can be changed into a prime (166305163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18076 + ... + 25677.

It is an arithmetic number, because the mean of its divisors is an integer number (15926456).

Almost surely, 2^166305153 is an apocalyptic number.

It is an amenable number.

166305153 is a deficient number, since it is larger than the sum of its proper divisors (88518143).

166305153 is a wasteful number, since it uses less digits than its factorization.

166305153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43944.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 166305153 is about 12895.9355224815. The cubic root of 166305153 is about 549.9230228357.

The spelling of 166305153 in words is "one hundred sixty-six million, three hundred five thousand, one hundred fifty-three".