966668820 has 48 divisors (see below), whose sum is σ = 2914880640. Its totient is φ = 237949056.

The previous prime is 966668797. The next prime is 966668827. The reversal of 966668820 is 28866669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966668827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618880 + ... + 620439.

It is an arithmetic number, because the mean of its divisors is an integer number (60726680).

Almost surely, 2^966668820 is an apocalyptic number.

It is an amenable number.

966668820 is an abundant number, since it is smaller than the sum of its proper divisors (1948211820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

966668820 is a wasteful number, since it uses less digits than its factorization.

966668820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239344 (or 1239342 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 966668820 is about 31091.2981395116. The cubic root of 966668820 is about 988.7638279661.

The spelling of 966668820 in words is "nine hundred sixty-six million, six hundred sixty-eight thousand, eight hundred twenty".