966633861 has 8 divisors (see below), whose sum is σ = 1289488480. Its totient is φ = 644100912.

The previous prime is 966633839. The next prime is 966633869. The reversal of 966633861 is 168336669.

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

It is a de Polignac number, because none of the positive numbers 2^k-966633861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 966633861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966633869) 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, 73315 + ... + 85488.

It is an arithmetic number, because the mean of its divisors is an integer number (161186060).

Almost surely, 2^966633861 is an apocalyptic number.

It is an amenable number.

966633861 is a deficient number, since it is larger than the sum of its proper divisors (322854619).

966633861 is a wasteful number, since it uses less digits than its factorization.

966633861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160835.

The product of its digits is 839808, while the sum is 48.

The square root of 966633861 is about 31090.7359353232. The cubic root of 966633861 is about 988.7519084715.

The spelling of 966633861 in words is "nine hundred sixty-six million, six hundred thirty-three thousand, eight hundred sixty-one".