666632632361 has 8 divisors (see below), whose sum is σ = 703124820000. Its totient is φ = 630281070720.

The previous prime is 666632632357. The next prime is 666632632397. The reversal of 666632632361 is 163236236666.

666632632361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 666632632361 - 2² = 666632632357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666632634361) 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, 35146760 + ... + 35165721.

It is an arithmetic number, because the mean of its divisors is an integer number (87890602500).

Almost surely, 2^666632632361 is an apocalyptic number.

It is an amenable number.

666632632361 is a deficient number, since it is larger than the sum of its proper divisors (36492187639).

666632632361 is a wasteful number, since it uses less digits than its factorization.

666632632361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70312999.

The product of its digits is 5038848, while the sum is 50.

The spelling of 666632632361 in words is "six hundred sixty-six billion, six hundred thirty-two million, six hundred thirty-two thousand, three hundred sixty-one".