953323668 has 90 divisors (see below), whose sum is σ = 2739447018. Its totient is φ = 288874080.

The previous prime is 953323661. The next prime is 953323673. The reversal of 953323668 is 866323359.

It can be written as a sum of positive squares in only one way, i.e., 870368004 + 82955664 = 29502^2 + 9108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (953323661) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27046 + ... + 51362.

Almost surely, 2^953323668 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 953323668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369723509).

953323668 is an abundant number, since it is smaller than the sum of its proper divisors (1786123350).

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

953323668 is a wasteful number, since it uses less digits than its factorization.

953323668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24355 (or 24333 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 953323668 is about 30875.9399533034. The cubic root of 953323668 is about 984.1926675082.

The spelling of 953323668 in words is "nine hundred fifty-three million, three hundred twenty-three thousand, six hundred sixty-eight".