18365672764 has 24 divisors (see below), whose sum is σ = 35821593360. Its totient is φ = 8187791616.

The previous prime is 18365672729. The next prime is 18365672789. The reversal of 18365672764 is 46727656381.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7106167 + ... + 7108750.

It is an arithmetic number, because the mean of its divisors is an integer number (1492566390).

Almost surely, 2^18365672764 is an apocalyptic number.

It is an amenable number.

18365672764 is a deficient number, since it is larger than the sum of its proper divisors (17455920596).

18365672764 is a wasteful number, since it uses less digits than its factorization.

18365672764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214957 (or 14214955 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 18365672764 in words is "eighteen billion, three hundred sixty-five million, six hundred seventy-two thousand, seven hundred sixty-four".