1320243164 has 6 divisors (see below), whose sum is σ = 2310425544. Its totient is φ = 660121580.

The previous prime is 1320243157. The next prime is 1320243167. The reversal of 1320243164 is 4613420231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320243167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165030392 + ... + 165030399.

It is an arithmetic number, because the mean of its divisors is an integer number (385070924).

Almost surely, 2^1320243164 is an apocalyptic number.

It is an amenable number.

1320243164 is a deficient number, since it is larger than the sum of its proper divisors (990182380).

1320243164 is a wasteful number, since it uses less digits than its factorization.

1320243164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330060795 (or 330060793 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1320243164 is about 36335.1505294804. The cubic root of 1320243164 is about 1097.0286653154.

Adding to 1320243164 its reverse (4613420231), we get a palindrome (5933663395).

The spelling of 1320243164 in words is "one billion, three hundred twenty million, two hundred forty-three thousand, one hundred sixty-four".