813024666 has 12 divisors (see below), whose sum is σ = 1761553482. Its totient is φ = 271008216.

The previous prime is 813024647. The next prime is 813024673. The reversal of 813024666 is 666420318.

813024666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 771228441 + 41796225 = 27771^2 + 6465^2 .

It is a super-2 number, since 2×813024666² = 1322018215048823112, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 813024666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22584001 + ... + 22584036.

Almost surely, 2^813024666 is an apocalyptic number.

813024666 is an abundant number, since it is smaller than the sum of its proper divisors (948528816).

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

813024666 is a wasteful number, since it uses less digits than its factorization.

813024666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45168045 (or 45168042 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 813024666 is about 28513.5873926800. The cubic root of 813024666 is about 933.3285994941.

The spelling of 813024666 in words is "eight hundred thirteen million, twenty-four thousand, six hundred sixty-six".