64485165 has 32 divisors (see below), whose sum is σ = 111805056. Its totient is φ = 31610880.

The previous prime is 64485137. The next prime is 64485173. The reversal of 64485165 is 56158446.

It is a happy number.

It is not a de Polignac number, because 64485165 - 2⁶ = 64485101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8025 + ... + 13905.

It is an arithmetic number, because the mean of its divisors is an integer number (3493908).

Almost surely, 2^64485165 is an apocalyptic number.

It is an amenable number.

64485165 is a deficient number, since it is larger than the sum of its proper divisors (47319891).

64485165 is a wasteful number, since it uses less digits than its factorization.

64485165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949.

The product of its digits is 115200, while the sum is 39.

The square root of 64485165 is about 8030.2655622339. The cubic root of 64485165 is about 401.0082170276.

The spelling of 64485165 in words is "sixty-four million, four hundred eighty-five thousand, one hundred sixty-five".