11662233173 has 2 divisors, whose sum is σ = 11662233174. Its totient is φ = 11662233172.

The previous prime is 11662233137. The next prime is 11662233181. The reversal of 11662233173 is 37133226611.

Together with previous prime (11662233137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9335810884 + 2326422289 = 96622^2 + 48233^2 .

It is a cyclic number.

It is not a de Polignac number, because 11662233173 - 2⁶ = 11662233109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11662233113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831116586 + 5831116587.

It is an arithmetic number, because the mean of its divisors is an integer number (5831116587).

Almost surely, 2^11662233173 is an apocalyptic number.

It is an amenable number.

11662233173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11662233173 is an equidigital number, since it uses as much as digits as its factorization.

11662233173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

Adding to 11662233173 its reverse (37133226611), we get a palindrome (48795459784).

The spelling of 11662233173 in words is "eleven billion, six hundred sixty-two million, two hundred thirty-three thousand, one hundred seventy-three".