33271164 has 36 divisors (see below), whose sum is σ = 86061976. Its totient is φ = 10831968.

The previous prime is 33271157. The next prime is 33271171. The reversal of 33271164 is 46117233.

It is an interprime number because it is at equal distance from previous prime (33271157) and next prime (33271171).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33271164² = 2213940707829792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9199 + ... + 12294.

Almost surely, 2^33271164 is an apocalyptic number.

It is an amenable number.

33271164 is an abundant number, since it is smaller than the sum of its proper divisors (52790812).

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

33271164 is a wasteful number, since it uses less digits than its factorization.

33271164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21546 (or 21541 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 33271164 is about 5768.1161569441. The cubic root of 33271164 is about 321.6295909135.

Adding to 33271164 its reverse (46117233), we get a palindrome (79388397).

The spelling of 33271164 in words is "thirty-three million, two hundred seventy-one thousand, one hundred sixty-four".