18368082679 has 4 divisors (see below), whose sum is σ = 18864517384. Its totient is φ = 17871647976.

The previous prime is 18368082671. The next prime is 18368082721. The reversal of 18368082679 is 97628086381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18368082679 - 2³ = 18368082671 is a prime.

It is a super-2 number, since 2×18368082679² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18368082671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248217297 + ... + 248217370.

It is an arithmetic number, because the mean of its divisors is an integer number (4716129346).

Almost surely, 2^18368082679 is an apocalyptic number.

18368082679 is a deficient number, since it is larger than the sum of its proper divisors (496434705).

18368082679 is an equidigital number, since it uses as much as digits as its factorization.

18368082679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496434704.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 18368082679 in words is "eighteen billion, three hundred sixty-eight million, eighty-two thousand, six hundred seventy-nine".