22660055636149 has 2 divisors, whose sum is σ = 22660055636150. Its totient is φ = 22660055636148.

The previous prime is 22660055636089. The next prime is 22660055636209. The reversal of 22660055636149 is 94163655006622.

It is a balanced prime because it is at equal distance from previous prime (22660055636089) and next prime (22660055636209).

It can be written as a sum of positive squares in only one way, i.e., 18236529680625 + 4423525955524 = 4270425^2 + 2103218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22660055636149 is a prime.

It is a super-2 number, since 2×22660055636149² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22660055636149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22660055636549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11330027818074 + 11330027818075.

It is an arithmetic number, because the mean of its divisors is an integer number (11330027818075).

Almost surely, 2^{22660055636149} is an apocalyptic number.

It is an amenable number.

22660055636149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22660055636149 is an equidigital number, since it uses as much as digits as its factorization.

22660055636149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 22660055636149 in words is "twenty-two trillion, six hundred sixty billion, fifty-five million, six hundred thirty-six thousand, one hundred forty-nine".