966669941 has 4 divisors (see below), whose sum is σ = 966799500. Its totient is φ = 966540384.

The previous prime is 966669923. The next prime is 966669947. The reversal of 966669941 is 149966669.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152423716 + 814246225 = 12346^2 + 28535^2 .

It is a cyclic number.

It is not a de Polignac number, because 966669941 - 2¹⁰ = 966668917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966669947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52856 + ... + 68753.

It is an arithmetic number, because the mean of its divisors is an integer number (241699875).

Almost surely, 2^966669941 is an apocalyptic number.

It is an amenable number.

966669941 is a deficient number, since it is larger than the sum of its proper divisors (129559).

966669941 is a wasteful number, since it uses less digits than its factorization.

966669941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129558.

The product of its digits is 3779136, while the sum is 56.

The square root of 966669941 is about 31091.3161670586. The cubic root of 966669941 is about 988.7642101735.

The spelling of 966669941 in words is "nine hundred sixty-six million, six hundred sixty-nine thousand, nine hundred forty-one".