164323441012 has 24 divisors (see below), whose sum is σ = 292478205600. Its totient is φ = 80758603296.

The previous prime is 164323440989. The next prime is 164323441019. The reversal of 164323441012 is 210144323461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164323441019) 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, 1951314 + ... + 2033782.

It is an arithmetic number, because the mean of its divisors is an integer number (12186591900).

Almost surely, 2^164323441012 is an apocalyptic number.

It is an amenable number.

164323441012 is a deficient number, since it is larger than the sum of its proper divisors (128154764588).

164323441012 is a wasteful number, since it uses less digits than its factorization.

164323441012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90975 (or 90973 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 164323441012 its reverse (210144323461), we get a palindrome (374467764473).

The spelling of 164323441012 in words is "one hundred sixty-four billion, three hundred twenty-three million, four hundred forty-one thousand, twelve".