33273265164 has 96 divisors (see below), whose sum is σ = 84163193856. Its totient is φ = 10191068160.

The previous prime is 33273265163. The next prime is 33273265171. The reversal of 33273265164 is 46156237233.

It is a super-2 number, since 2×33273265164² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33273265163) 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, 4032427 + ... + 4040669.

It is an arithmetic number, because the mean of its divisors is an integer number (876699936).

Almost surely, 2^33273265164 is an apocalyptic number.

33273265164 is a gapful number since it is divisible by the number (34) 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 33273265164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42081596928).

33273265164 is an abundant number, since it is smaller than the sum of its proper divisors (50889928692).

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

33273265164 is a wasteful number, since it uses less digits than its factorization.

33273265164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735 (or 8733 counting only the distinct ones).

The product of its digits is 544320, while the sum is 42.

The spelling of 33273265164 in words is "thirty-three billion, two hundred seventy-three million, two hundred sixty-five thousand, one hundred sixty-four".