953818668 has 72 divisors (see below), whose sum is σ = 2634218496. Its totient is φ = 288597600.

The previous prime is 953818667. The next prime is 953818673. The reversal of 953818668 is 866818359.

953818668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (953818661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340353 + ... + 343143.

It is an arithmetic number, because the mean of its divisors is an integer number (36586368).

Almost surely, 2^953818668 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 953818668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317109248).

953818668 is an abundant number, since it is smaller than the sum of its proper divisors (1680399828).

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

953818668 is a wasteful number, since it uses less digits than its factorization.

953818668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675 (or 3670 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 953818668 is about 30883.9548633267. The cubic root of 953818668 is about 984.3629807996.

The spelling of 953818668 in words is "nine hundred fifty-three million, eight hundred eighteen thousand, six hundred sixty-eight".