66395 has 12 divisors (see below), whose sum is σ = 93024. Its totient is φ = 45360.

The previous prime is 66383. The next prime is 66403. The reversal of 66395 is 59366.

It is not a de Polignac number, because 66395 - 2¹⁰ = 65371 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110 + ... + 380.

It is an arithmetic number, because the mean of its divisors is an integer number (7752).

2⁶⁶³⁹⁵ is an apocalyptic number.

66395 is a deficient number, since it is larger than the sum of its proper divisors (26629).

66395 is a wasteful number, since it uses less digits than its factorization.

66395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 283 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 66395 is about 257.6722724703. The cubic root of 66395 is about 40.4928606020.

Subtracting from 66395 its sum of digits (29), we obtain a palindrome (66366).

The spelling of 66395 in words is "sixty-six thousand, three hundred ninety-five".