18091676418001 has 2 divisors, whose sum is σ = 18091676418002. Its totient is φ = 18091676418000.

The previous prime is 18091676417953. The next prime is 18091676418019. The reversal of 18091676418001 is 10081467619081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17867402190225 + 224274227776 = 4226985^2 + 473576^2 .

It is a cyclic number.

It is not a de Polignac number, because 18091676418001 - 2⁹ = 18091676417489 is a prime.

It is a super-2 number, since 2×18091676418001² (a number of 27 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 18091676418001.

It is not a weakly prime, because it can be changed into another prime (18091676410001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9045838209000 + 9045838209001.

It is an arithmetic number, because the mean of its divisors is an integer number (9045838209001).

Almost surely, 2^{18091676418001} is an apocalyptic number.

It is an amenable number.

18091676418001 is a deficient number, since it is larger than the sum of its proper divisors (1).

18091676418001 is an equidigital number, since it uses as much as digits as its factorization.

18091676418001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 18091676418001 in words is "eighteen trillion, ninety-one billion, six hundred seventy-six million, four hundred eighteen thousand, one".