666003658733 has 8 divisors (see below), whose sum is σ = 761167705920. Its totient is φ = 570844778400.

The previous prime is 666003658703. The next prime is 666003658769. The reversal of 666003658733 is 337856300666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 666003658733 - 2¹² = 666003654637 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 (666003658703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011443 + ... + 1534608.

It is an arithmetic number, because the mean of its divisors is an integer number (95145963240).

Almost surely, 2^666003658733 is an apocalyptic number.

It is an amenable number.

666003658733 is a deficient number, since it is larger than the sum of its proper divisors (95164047187).

666003658733 is a wasteful number, since it uses less digits than its factorization.

666003658733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583427.

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 666003658733 in words is "six hundred sixty-six billion, three million, six hundred fifty-eight thousand, seven hundred thirty-three".