320126164 has 12 divisors (see below), whose sum is σ = 560351988. Its totient is φ = 160025600.

The previous prime is 320126161. The next prime is 320126171. The reversal of 320126164 is 461621023.

It can be written as a sum of positive squares in 2 ways, for example, as 75829264 + 244296900 = 8708^2 + 15630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320126161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20244 + ... + 32404.

It is an arithmetic number, because the mean of its divisors is an integer number (46695999).

Almost surely, 2^320126164 is an apocalyptic number.

It is an amenable number.

320126164 is a deficient number, since it is larger than the sum of its proper divisors (240225824).

320126164 is a wasteful number, since it uses less digits than its factorization.

320126164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18746 (or 18744 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 320126164 is about 17892.0698634898. The cubic root of 320126164 is about 684.0802574453.

Adding to 320126164 its reverse (461621023), we get a palindrome (781747187).

The spelling of 320126164 in words is "three hundred twenty million, one hundred twenty-six thousand, one hundred sixty-four".