22636451166709 has 2 divisors, whose sum is σ = 22636451166710. Its totient is φ = 22636451166708.

The previous prime is 22636451166629. The next prime is 22636451166799. The reversal of 22636451166709 is 90766115463622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14387205544209 + 8249245622500 = 3793047^2 + 2872150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22636451166709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22636451166799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11318225583354 + 11318225583355.

It is an arithmetic number, because the mean of its divisors is an integer number (11318225583355).

Almost surely, 2^{22636451166709} is an apocalyptic number.

It is an amenable number.

22636451166709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22636451166709 is an equidigital number, since it uses as much as digits as its factorization.

22636451166709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 22636451166709 in words is "twenty-two trillion, six hundred thirty-six billion, four hundred fifty-one million, one hundred sixty-six thousand, seven hundred nine".