966654441 has 12 divisors (see below), whose sum is σ = 1396548868. Its totient is φ = 644311584.

The previous prime is 966654433. The next prime is 966654449. The reversal of 966654441 is 144456669.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (966654433) and next prime (966654449).

It can be written as a sum of positive squares in 2 ways, for example, as 791859600 + 174794841 = 28140^2 + 13221^2 .

It is not a de Polignac number, because 966654441 - 2³ = 966654433 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (966654449) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80931 + ... + 92103.

Almost surely, 2^966654441 is an apocalyptic number.

It is an amenable number.

966654441 is a deficient number, since it is larger than the sum of its proper divisors (429894427).

966654441 is a wasteful number, since it uses less digits than its factorization.

966654441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792 (or 20789 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 966654441 is about 31091.0669003172. The cubic root of 966654441 is about 988.7589253889.

The spelling of 966654441 in words is "nine hundred sixty-six million, six hundred fifty-four thousand, four hundred forty-one".