64207165 has 16 divisors (see below), whose sum is σ = 84805056. Its totient is φ = 46278400.

The previous prime is 64207153. The next prime is 64207193. The reversal of 64207165 is 56170246.

It is a happy number.

It is not a de Polignac number, because 64207165 - 2¹⁹ = 63682877 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1050 + ... + 11380.

It is an arithmetic number, because the mean of its divisors is an integer number (5300316).

Almost surely, 2^64207165 is an apocalyptic number.

It is an amenable number.

64207165 is a deficient number, since it is larger than the sum of its proper divisors (20597891).

64207165 is a wasteful number, since it uses less digits than its factorization.

64207165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10460.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 64207165 is about 8012.9373515584. The cubic root of 64207165 is about 400.4311289027.

The spelling of 64207165 in words is "sixty-four million, two hundred seven thousand, one hundred sixty-five".