164515450032 has 80 divisors (see below), whose sum is σ = 483737892960. Its totient is φ = 53500953600.

The previous prime is 164515450009. The next prime is 164515450039. The reversal of 164515450032 is 230054515461.

164515450032 is a `hidden beast` number, since 1 + 64 + 51 + 545 + 0 + 0 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (164515450039) 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 15 ways as a sum of consecutive naturals, for example, 4626469 + ... + 4661892.

It is an arithmetic number, because the mean of its divisors is an integer number (6046723662).

Almost surely, 2^164515450032 is an apocalyptic number.

164515450032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164515450032 is an abundant number, since it is smaller than the sum of its proper divisors (319222442928).

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

164515450032 is a wasteful number, since it uses less digits than its factorization.

164515450032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288419 (or 9288407 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 164515450032 its reverse (230054515461), we get a palindrome (394569965493).

The spelling of 164515450032 in words is "one hundred sixty-four billion, five hundred fifteen million, four hundred fifty thousand, thirty-two".