33055100166 has 64 divisors (see below), whose sum is σ = 76543776000. Its totient is φ = 9489458880.

The previous prime is 33055100153. The next prime is 33055100167. The reversal of 33055100166 is 66100155033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33055100167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42810 + ... + 260658.

It is an arithmetic number, because the mean of its divisors is an integer number (1195996500).

Almost surely, 2^33055100166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33055100166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38271888000).

33055100166 is an abundant number, since it is smaller than the sum of its proper divisors (43488675834).

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

33055100166 is a wasteful number, since it uses less digits than its factorization.

33055100166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217906 (or 217884 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 33055100166 its reverse (66100155033), we get a palindrome (99155255199).

The spelling of 33055100166 in words is "thirty-three billion, fifty-five million, one hundred thousand, one hundred sixty-six".