966565669 has 8 divisors (see below), whose sum is σ = 988760448. Its totient is φ = 944438880.

The previous prime is 966565661. The next prime is 966565723.

It is a happy number.

966565669 is nontrivially palindromic in base 10.

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 966565669 - 2³ = 966565661 is a prime.

It is a super-2 number, since 2×966565669² = 1868498384978835122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966565661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12334 + ... + 45664.

It is an arithmetic number, because the mean of its divisors is an integer number (123595056).

Almost surely, 2^966565669 is an apocalyptic number.

It is an amenable number.

966565669 is a deficient number, since it is larger than the sum of its proper divisors (22194779).

966565669 is a wasteful number, since it uses less digits than its factorization.

966565669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33995.

The product of its digits is 15746400, while the sum is 58.

The square root of 966565669 is about 31089.6392549029. The cubic root of 966565669 is about 988.7286571460.

The spelling of 966565669 in words is "nine hundred sixty-six million, five hundred sixty-five thousand, six hundred sixty-nine".