668483517 has 16 divisors (see below), whose sum is σ = 1010394560. Its totient is φ = 389722752.

The previous prime is 668483507. The next prime is 668483521. The reversal of 668483517 is 715384866.

It is not a de Polignac number, because 668483517 - 2⁸ = 668483261 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 (668483507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450328 + ... + 451809.

It is an arithmetic number, because the mean of its divisors is an integer number (63149660).

Almost surely, 2^668483517 is an apocalyptic number.

It is an amenable number.

668483517 is a deficient number, since it is larger than the sum of its proper divisors (341911043).

668483517 is a wasteful number, since it uses less digits than its factorization.

668483517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902172.

The product of its digits is 967680, while the sum is 48.

The square root of 668483517 is about 25855.0481917942. The cubic root of 668483517 is about 874.3733273948.

The spelling of 668483517 in words is "six hundred sixty-eight million, four hundred eighty-three thousand, five hundred seventeen".