966661203 has 8 divisors (see below), whose sum is σ = 1301643216. Its totient is φ = 638060000.

The previous prime is 966661169. The next prime is 966661207. The reversal of 966661203 is 302166669.

It is a happy number.

966661203 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 966661203 - 2⁶ = 966661139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (966661207) 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, 1594848 + ... + 1595453.

It is an arithmetic number, because the mean of its divisors is an integer number (162705402).

Almost surely, 2^966661203 is an apocalyptic number.

966661203 is a deficient number, since it is larger than the sum of its proper divisors (334982013).

966661203 is a wasteful number, since it uses less digits than its factorization.

966661203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190405.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 966661203 is about 31091.1756451891. The cubic root of 966661203 is about 988.7612309257.

The spelling of 966661203 in words is "nine hundred sixty-six million, six hundred sixty-one thousand, two hundred three".