666730303367 has 4 divisors (see below), whose sum is σ = 666732070680. Its totient is φ = 666728536056.

The previous prime is 666730303339. The next prime is 666730303391. The reversal of 666730303367 is 763303037666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 666730303367 - 2⁸ = 666730303111 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 (666738303367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64892 + ... + 1156577.

It is an arithmetic number, because the mean of its divisors is an integer number (166683017670).

Almost surely, 2^666730303367 is an apocalyptic number.

666730303367 is a deficient number, since it is larger than the sum of its proper divisors (1767313).

666730303367 is a wasteful number, since it uses less digits than its factorization.

666730303367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767312.

The product of its (nonzero) digits is 5143824, while the sum is 50.

The spelling of 666730303367 in words is "six hundred sixty-six billion, seven hundred thirty million, three hundred three thousand, three hundred sixty-seven".