64655 has 8 divisors (see below), whose sum is σ = 79152. Its totient is φ = 50688.

The previous prime is 64633. The next prime is 64661. The reversal of 64655 is 55646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64655 - 2⁶ = 64591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239 + ... + 431.

It is an arithmetic number, because the mean of its divisors is an integer number (9894).

2⁶⁴⁶⁵⁵ is an apocalyptic number.

64655 is a deficient number, since it is larger than the sum of its proper divisors (14497).

64655 is a wasteful number, since it uses less digits than its factorization.

64655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 3600, while the sum is 26.

The square root of 64655 is about 254.2734748258. The cubic root of 64655 is about 40.1359954403.

Subtracting from 64655 its reverse (55646), we obtain a palindrome (9009).

The spelling of 64655 in words is "sixty-four thousand, six hundred fifty-five".