65668395 has 16 divisors (see below), whose sum is σ = 113152032. Its totient is φ = 32328960.

The previous prime is 65668387. The next prime is 65668409. The reversal of 65668395 is 59386656.

65668395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65668395 - 2³ = 65668387 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168186 + ... + 168575.

It is an arithmetic number, because the mean of its divisors is an integer number (7072002).

Almost surely, 2^65668395 is an apocalyptic number.

65668395 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

65668395 is a deficient number, since it is larger than the sum of its proper divisors (47483637).

65668395 is a wasteful number, since it uses less digits than its factorization.

65668395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336782.

The product of its digits is 1166400, while the sum is 48.

The square root of 65668395 is about 8103.6038279274. The cubic root of 65668395 is about 403.4460495178.

The spelling of 65668395 in words is "sixty-five million, six hundred sixty-eight thousand, three hundred ninety-five".