233085081636 has 144 divisors (see below), whose sum is σ = 655752726720. Its totient is φ = 69210685440.

The previous prime is 233085081623. The next prime is 233085081709. The reversal of 233085081636 is 636180580332.

233085081636 is a `hidden beast` number, since 2 + 3 + 3 + 0 + 8 + 5 + 0 + 8 + 1 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 233085081591 and 233085081600.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7296996 + ... + 7328868.

It is an arithmetic number, because the mean of its divisors is an integer number (4553838380).

Almost surely, 2^233085081636 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 233085081636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327876363360).

233085081636 is an abundant number, since it is smaller than the sum of its proper divisors (422667645084).

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

233085081636 is a wasteful number, since it uses less digits than its factorization.

233085081636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32266 (or 32261 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 233085081636 in words is "two hundred thirty-three billion, eighty-five million, eighty-one thousand, six hundred thirty-six".