1664411324 has 24 divisors (see below), whose sum is σ = 3081456000. Its totient is φ = 784436400.

The previous prime is 1664411321. The next prime is 1664411351. The reversal of 1664411324 is 4231144661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664411321) 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, 39902 + ... + 70149.

It is an arithmetic number, because the mean of its divisors is an integer number (128394000).

Almost surely, 2^1664411324 is an apocalyptic number.

It is an amenable number.

1664411324 is a deficient number, since it is larger than the sum of its proper divisors (1417044676).

1664411324 is a wasteful number, since it uses less digits than its factorization.

1664411324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110273 (or 110271 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 1664411324 is about 40797.1975017893. The cubic root of 1664411324 is about 1185.0960592013.

Adding to 1664411324 its reverse (4231144661), we get a palindrome (5895555985).

The spelling of 1664411324 in words is "one billion, six hundred sixty-four million, four hundred eleven thousand, three hundred twenty-four".