33350381064 has 1152 divisors, whose sum is σ = 133849497600. Its totient is φ = 7276262400.

The previous prime is 33350381059. The next prime is 33350381153. The reversal of 33350381064 is 46018305333.

It is a super-2 number, since 2×33350381064² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 565260667 + ... + 565260725.

It is an arithmetic number, because the mean of its divisors is an integer number (116188800).

Almost surely, 2^33350381064 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 33350381064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66924748800).

33350381064 is an abundant number, since it is smaller than the sum of its proper divisors (100499116536).

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

33350381064 is a wasteful number, since it uses less digits than its factorization.

33350381064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 33350381064 its reverse (46018305333), we get a palindrome (79368686397).

It can be divided in two parts, 33350 and 381064, that added together give a palindrome (414414).

The spelling of 33350381064 in words is "thirty-three billion, three hundred fifty million, three hundred eighty-one thousand, sixty-four".