966643146920 has 128 divisors (see below), whose sum is σ = 2449099255680. Its totient is φ = 340314624000.

The previous prime is 966643146913. The next prime is 966643146943. The reversal of 966643146920 is 29641346669.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2158724 + ... + 2567756.

It is an arithmetic number, because the mean of its divisors is an integer number (19133587935).

Almost surely, 2^966643146920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 966643146920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224549627840).

966643146920 is an abundant number, since it is smaller than the sum of its proper divisors (1482456108760).

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

966643146920 is a wasteful number, since it uses less digits than its factorization.

966643146920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409227 (or 409223 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 966643146920 in words is "nine hundred sixty-six billion, six hundred forty-three million, one hundred forty-six thousand, nine hundred twenty".