64008165 has 32 divisors (see below), whose sum is σ = 111081600. Its totient is φ = 31286016.

The previous prime is 64008143. The next prime is 64008167. The reversal of 64008165 is 56180046.

It is not a de Polignac number, because 64008165 - 2⁶ = 64008101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64008167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27954 + ... + 30156.

It is an arithmetic number, because the mean of its divisors is an integer number (3471300).

Almost surely, 2^64008165 is an apocalyptic number.

64008165 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64008165 is a deficient number, since it is larger than the sum of its proper divisors (47073435).

64008165 is a wasteful number, since it uses less digits than its factorization.

64008165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 64008165 is about 8000.5102962249. The cubic root of 64008165 is about 400.0170096933.

It can be divided in two parts, 640081 and 65, that added together give a triangular number (640146 = T₁₁₃₁).

The spelling of 64008165 in words is "sixty-four million, eight thousand, one hundred sixty-five".