22615656163 has 2 divisors, whose sum is σ = 22615656164. Its totient is φ = 22615656162.

The previous prime is 22615656137. The next prime is 22615656179. The reversal of 22615656163 is 36165651622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22615656163 - 2⁹ = 22615655651 is a prime.

It is a super-2 number, since 2×22615656163² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22615656463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11307828081 + 11307828082.

It is an arithmetic number, because the mean of its divisors is an integer number (11307828082).

Almost surely, 2^22615656163 is an apocalyptic number.

22615656163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22615656163 is an equidigital number, since it uses as much as digits as its factorization.

22615656163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The spelling of 22615656163 in words is "twenty-two billion, six hundred fifteen million, six hundred fifty-six thousand, one hundred sixty-three".