14166312553 has 2 divisors, whose sum is σ = 14166312554. Its totient is φ = 14166312552.

The previous prime is 14166312533. The next prime is 14166312557. The reversal of 14166312553 is 35521366141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13576211289 + 590101264 = 116517^2 + 24292^2 .

It is a cyclic number.

It is not a de Polignac number, because 14166312553 - 2⁵ = 14166312521 is a prime.

It is a super-2 number, since 2×14166312553² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14166312557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7083156276 + 7083156277.

It is an arithmetic number, because the mean of its divisors is an integer number (7083156277).

Almost surely, 2^14166312553 is an apocalyptic number.

It is an amenable number.

14166312553 is a deficient number, since it is larger than the sum of its proper divisors (1).

14166312553 is an equidigital number, since it uses as much as digits as its factorization.

14166312553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

Adding to 14166312553 its reverse (35521366141), we get a palindrome (49687678694).

The spelling of 14166312553 in words is "fourteen billion, one hundred sixty-six million, three hundred twelve thousand, five hundred fifty-three".