366216617243 has 2 divisors, whose sum is σ = 366216617244. Its totient is φ = 366216617242.

The previous prime is 366216617203. The next prime is 366216617279. The reversal of 366216617243 is 342716612663.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366216617243 is a prime.

It is a super-2 number, since 2×366216617243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (366216617203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183108308621 + 183108308622.

It is an arithmetic number, because the mean of its divisors is an integer number (183108308622).

Almost surely, 2^366216617243 is an apocalyptic number.

366216617243 is a deficient number, since it is larger than the sum of its proper divisors (1).

366216617243 is an equidigital number, since it uses as much as digits as its factorization.

366216617243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The spelling of 366216617243 in words is "three hundred sixty-six billion, two hundred sixteen million, six hundred seventeen thousand, two hundred forty-three".