33531056164 has 12 divisors (see below), whose sum is σ = 60702774300. Its totient is φ = 16187406368.

The previous prime is 33531056159. The next prime is 33531056177. The reversal of 33531056164 is 46165013533.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11933814564 + 21597241600 = 109242^2 + 146960^2 .

It is a super-2 number, since 2×33531056164² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 144530299 + ... + 144530530.

It is an arithmetic number, because the mean of its divisors is an integer number (5058564525).

Almost surely, 2^33531056164 is an apocalyptic number.

It is an amenable number.

33531056164 is a deficient number, since it is larger than the sum of its proper divisors (27171718136).

33531056164 is a wasteful number, since it uses less digits than its factorization.

33531056164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289060862 (or 289060860 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 33531056164 its reverse (46165013533), we get a palindrome (79696069697).

The spelling of 33531056164 in words is "thirty-three billion, five hundred thirty-one million, fifty-six thousand, one hundred sixty-four".