166602065 has 16 divisors (see below), whose sum is σ = 234057600. Its totient is φ = 111454080.

The previous prime is 166602047. The next prime is 166602067. The reversal of 166602065 is 560206661.

166602065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-166602065 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166602067) 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, 56615 + ... + 59484.

It is an arithmetic number, because the mean of its divisors is an integer number (14628600).

Almost surely, 2^166602065 is an apocalyptic number.

It is an amenable number.

166602065 is a deficient number, since it is larger than the sum of its proper divisors (67455535).

166602065 is a wasteful number, since it uses less digits than its factorization.

166602065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116152.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 166602065 is about 12907.4422330685. The cubic root of 166602065 is about 550.2500956258.

The spelling of 166602065 in words is "one hundred sixty-six million, six hundred two thousand, sixty-five".