216622619179 has 2 divisors, whose sum is σ = 216622619180. Its totient is φ = 216622619178.

The previous prime is 216622619167. The next prime is 216622619287. The reversal of 216622619179 is 971916226612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216622619179 - 2¹¹ = 216622617131 is a prime.

It is not a weakly prime, because it can be changed into another prime (216622619149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108311309589 + 108311309590.

It is an arithmetic number, because the mean of its divisors is an integer number (108311309590).

Almost surely, 2^216622619179 is an apocalyptic number.

216622619179 is a deficient number, since it is larger than the sum of its proper divisors (1).

216622619179 is an equidigital number, since it uses as much as digits as its factorization.

216622619179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The spelling of 216622619179 in words is "two hundred sixteen billion, six hundred twenty-two million, six hundred nineteen thousand, one hundred seventy-nine".