966665572203 has 8 divisors (see below), whose sum is σ = 1298160001600. Its totient is φ = 639807428808.

The previous prime is 966665572193. The next prime is 966665572267. The reversal of 966665572203 is 302275566669.

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

It is not a de Polignac number, because 966665572203 - 2⁸ = 966665571947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966665572003) 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, 1159071013 + ... + 1159071846.

It is an arithmetic number, because the mean of its divisors is an integer number (162270000200).

Almost surely, 2^966665572203 is an apocalyptic number.

966665572203 is a deficient number, since it is larger than the sum of its proper divisors (331494429397).

966665572203 is a wasteful number, since it uses less digits than its factorization.

966665572203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318143001.

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 966665572203 in words is "nine hundred sixty-six billion, six hundred sixty-five million, five hundred seventy-two thousand, two hundred three".