668326095 has 24 divisors (see below), whose sum is σ = 1159260336. Its totient is φ = 356185728.

The previous prime is 668326093. The next prime is 668326097. The reversal of 668326095 is 590623866.

It is a happy number.

668326095 is a `hidden beast` number, since 6 + 6 + 8 + 32 + 609 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (668326093) and next prime (668326097).

It is not a de Polignac number, because 668326095 - 2¹ = 668326093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 668326095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668326093) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 70084 + ... + 79046.

It is an arithmetic number, because the mean of its divisors is an integer number (48302514).

Almost surely, 2^668326095 is an apocalyptic number.

668326095 is a deficient number, since it is larger than the sum of its proper divisors (490934241).

668326095 is a wasteful number, since it uses less digits than its factorization.

668326095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10631 (or 10628 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 668326095 is about 25852.0036941046. The cubic root of 668326095 is about 874.3046862587.

It can be divided in two parts, 66832 and 6095, that added together give a palindrome (72927).

The spelling of 668326095 in words is "six hundred sixty-eight million, three hundred twenty-six thousand, ninety-five".