18092540068 has 24 divisors (see below), whose sum is σ = 33215071680. Its totient is φ = 8611307040.

The previous prime is 18092540047. The next prime is 18092540077. The reversal of 18092540068 is 86004529081.

It is a happy number.

It is a super-2 number, since 2×18092540068² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090146 + ... + 1106617.

It is an arithmetic number, because the mean of its divisors is an integer number (1383961320).

Almost surely, 2^18092540068 is an apocalyptic number.

It is an amenable number.

18092540068 is a deficient number, since it is larger than the sum of its proper divisors (15122531612).

18092540068 is a wasteful number, since it uses less digits than its factorization.

18092540068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196867 (or 2196865 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 18092540068 in words is "eighteen billion, ninety-two million, five hundred forty thousand, sixty-eight".