32570121164 has 24 divisors (see below), whose sum is σ = 66369306528. Its totient is φ = 13695252480.

The previous prime is 32570121163. The next prime is 32570121203. The reversal of 32570121164 is 46112107523.

It is a self number, because there is not a number n which added to its sum of digits gives 32570121164.

It is not an unprimeable number, because it can be changed into a prime (32570121161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10972277 + ... + 10975244.

It is an arithmetic number, because the mean of its divisors is an integer number (2765387772).

Almost surely, 2^32570121164 is an apocalyptic number.

It is an amenable number.

32570121164 is an abundant number, since it is smaller than the sum of its proper divisors (33799185364).

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

32570121164 is a wasteful number, since it uses less digits than its factorization.

32570121164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21947585 (or 21947583 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 32570121164 its reverse (46112107523), we get a palindrome (78682228687).

The spelling of 32570121164 in words is "thirty-two billion, five hundred seventy million, one hundred twenty-one thousand, one hundred sixty-four".