618822358782167 has 2 divisors, whose sum is σ = 618822358782168. Its totient is φ = 618822358782166.

The previous prime is 618822358782149. The next prime is 618822358782203. The reversal of 618822358782167 is 761287853228816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618822358782167 - 2²⁸ = 618822090346711 is a prime.

It is a super-2 number, since 2×618822358782167² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 618822358782094 and 618822358782103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618822358782137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309411179391083 + 309411179391084.

It is an arithmetic number, because the mean of its divisors is an integer number (309411179391084).

Almost surely, 2^{618822358782167} is an apocalyptic number.

618822358782167 is a deficient number, since it is larger than the sum of its proper divisors (1).

618822358782167 is an equidigital number, since it uses as much as digits as its factorization.

618822358782167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 867041280, while the sum is 74.

The spelling of 618822358782167 in words is "six hundred eighteen trillion, eight hundred twenty-two billion, three hundred fifty-eight million, seven hundred eighty-two thousand, one hundred sixty-seven".