1373326163 has 6 divisors (see below), whose sum is σ = 1509523932. Its totient is φ = 1248478220.

The previous prime is 1373326093. The next prime is 1373326183. The reversal of 1373326163 is 3616233731.

It is not a de Polignac number, because 1373326163 - 2¹⁶ = 1373260627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373326183) 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 5 ways as a sum of consecutive naturals, for example, 5674781 + ... + 5675022.

It is an arithmetic number, because the mean of its divisors is an integer number (251587322).

Almost surely, 2^1373326163 is an apocalyptic number.

1373326163 is a deficient number, since it is larger than the sum of its proper divisors (136197769).

1373326163 is a wasteful number, since it uses less digits than its factorization.

1373326163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349825 (or 11349814 counting only the distinct ones).

The product of its digits is 40824, while the sum is 35.

The square root of 1373326163 is about 37058.4155489681. The cubic root of 1373326163 is about 1111.5386402266.

Adding to 1373326163 its reverse (3616233731), we get a palindrome (4989559894).

The spelling of 1373326163 in words is "one billion, three hundred seventy-three million, three hundred twenty-six thousand, one hundred sixty-three".