64146165 has 16 divisors (see below), whose sum is σ = 104571648. Its totient is φ = 33565376.

The previous prime is 64146133. The next prime is 64146167. The reversal of 64146165 is 56164146.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64146165 - 2⁵ = 64146133 is a prime.

It is a super-2 number, since 2×64146165² = 8229460968414450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64146167) 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, 39549 + ... + 41138.

It is an arithmetic number, because the mean of its divisors is an integer number (6535728).

Almost surely, 2^64146165 is an apocalyptic number.

It is an amenable number.

64146165 is a deficient number, since it is larger than the sum of its proper divisors (40425483).

64146165 is a wasteful number, since it uses less digits than its factorization.

64146165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80748.

The product of its digits is 17280, while the sum is 33.

The square root of 64146165 is about 8009.1301025767. The cubic root of 64146165 is about 400.3042788939.

The spelling of 64146165 in words is "sixty-four million, one hundred forty-six thousand, one hundred sixty-five".