33089955660 has 144 divisors (see below), whose sum is σ = 106893180576. Its totient is φ = 8256792576.

The previous prime is 33089955617. The next prime is 33089955671. The reversal of 33089955660 is 6655998033.

33089955660 is a `hidden beast` number, since 3 + 3 + 0 + 89 + 9 + 556 + 6 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 33089955597 and 33089955606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498127 + ... + 560633.

It is an arithmetic number, because the mean of its divisors is an integer number (742313754).

Almost surely, 2^33089955660 is an apocalyptic number.

33089955660 is a gapful number since it is divisible by the number (30) 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 33089955660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53446590288).

33089955660 is an abundant number, since it is smaller than the sum of its proper divisors (73803224916).

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

33089955660 is a wasteful number, since it uses less digits than its factorization.

33089955660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62712 (or 62707 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 33089955660 in words is "thirty-three billion, eighty-nine million, nine hundred fifty-five thousand, six hundred sixty".