18022251131667 has 6 divisors (see below), whose sum is σ = 26032140523532. Its totient is φ = 12014834087772.

The previous prime is 18022251131627. The next prime is 18022251131711. The reversal of 18022251131667 is 76613115222081.

18022251131667 is a `hidden beast` number, since 1 + 8 + 0 + 22 + 251 + 1 + 316 + 67 = 666.

It is not a de Polignac number, because 18022251131667 - 2¹⁰ = 18022251130643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18022251131627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1001236173973 + ... + 1001236173990.

Almost surely, 2^{18022251131667} is an apocalyptic number.

18022251131667 is a deficient number, since it is larger than the sum of its proper divisors (8009889391865).

18022251131667 is a wasteful number, since it uses less digits than its factorization.

18022251131667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002472347969 (or 2002472347966 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 18022251131667 in words is "eighteen trillion, twenty-two billion, two hundred fifty-one million, one hundred thirty-one thousand, six hundred sixty-seven".