969818668 has 72 divisors (see below), whose sum is σ = 2110268160. Its totient is φ = 381850560.

The previous prime is 969818659. The next prime is 969818677. The reversal of 969818668 is 866818969.

It is an interprime number because it is at equal distance from previous prime (969818659) and next prime (969818677).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1471323 + ... + 1471981.

It is an arithmetic number, because the mean of its divisors is an integer number (29309280).

Almost surely, 2^969818668 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 969818668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055134080).

969818668 is an abundant number, since it is smaller than the sum of its proper divisors (1140449492).

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

969818668 is a wasteful number, since it uses less digits than its factorization.

969818668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 992 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The square root of 969818668 is about 31141.9117589142. The cubic root of 969818668 is about 989.8366114743.

The spelling of 969818668 in words is "nine hundred sixty-nine million, eight hundred eighteen thousand, six hundred sixty-eight".