668054367 has 12 divisors (see below), whose sum is σ = 968054464. Its totient is φ = 443944800.

The previous prime is 668054339. The next prime is 668054377. The reversal of 668054367 is 763450866.

It is not a de Polignac number, because 668054367 - 2²³ = 659665759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668054377) 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 11 ways as a sum of consecutive naturals, for example, 115759 + ... + 121392.

Almost surely, 2^668054367 is an apocalyptic number.

668054367 is a deficient number, since it is larger than the sum of its proper divisors (300000097).

668054367 is a wasteful number, since it uses less digits than its factorization.

668054367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237470 (or 237467 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 668054367 is about 25846.7477064330. The cubic root of 668054367 is about 874.1861786069.

The spelling of 668054367 in words is "six hundred sixty-eight million, fifty-four thousand, three hundred sixty-seven".