233279089660 has 48 divisors (see below), whose sum is σ = 507198031200. Its totient is φ = 90019448064.

The previous prime is 233279089643. The next prime is 233279089697. The reversal of 233279089660 is 66980972332.

233279089660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537751 + ... + 869329.

It is an arithmetic number, because the mean of its divisors is an integer number (10566625650).

Almost surely, 2^233279089660 is an apocalyptic number.

233279089660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233279089660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253599015600).

233279089660 is an abundant number, since it is smaller than the sum of its proper divisors (273918941540).

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

233279089660 is a wasteful number, since it uses less digits than its factorization.

233279089660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332830 (or 332828 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 233279089660 in words is "two hundred thirty-three billion, two hundred seventy-nine million, eighty-nine thousand, six hundred sixty".