164432115232 has 48 divisors (see below), whose sum is σ = 403606107072. Its totient is φ = 64064459520.

The previous prime is 164432115203. The next prime is 164432115233. The reversal of 164432115232 is 232511234461.

It is a super-3 number, since 3×164432115232³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164432115233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33364443 + ... + 33369370.

It is an arithmetic number, because the mean of its divisors is an integer number (8408460564).

Almost surely, 2^164432115232 is an apocalyptic number.

It is an amenable number.

164432115232 is an abundant number, since it is smaller than the sum of its proper divisors (239173991840).

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

164432115232 is a wasteful number, since it uses less digits than its factorization.

164432115232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66733841 (or 66733833 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

Adding to 164432115232 its reverse (232511234461), we get a palindrome (396943349693).

The spelling of 164432115232 in words is "one hundred sixty-four billion, four hundred thirty-two million, one hundred fifteen thousand, two hundred thirty-two".