1322644312168 has 16 divisors (see below), whose sum is σ = 2532723151680. Its totient is φ = 647251471728.

The previous prime is 1322644312133. The next prime is 1322644312169. The reversal of 1322644312168 is 8612134462231.

It is not an unprimeable number, because it can be changed into a prime (1322644312169) 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, 1758835146 + ... + 1758835897.

It is an arithmetic number, because the mean of its divisors is an integer number (158295196980).

Almost surely, 2^{1322644312168} is an apocalyptic number.

It is an amenable number.

1322644312168 is a deficient number, since it is larger than the sum of its proper divisors (1210078839512).

1322644312168 is a wasteful number, since it uses less digits than its factorization.

1322644312168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517671096 (or 3517671092 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

Adding to 1322644312168 its reverse (8612134462231), we get a palindrome (9934778774399).

The spelling of 1322644312168 in words is "one trillion, three hundred twenty-two billion, six hundred forty-four million, three hundred twelve thousand, one hundred sixty-eight".