18341564768 has 12 divisors (see below), whose sum is σ = 36109955700. Its totient is φ = 9170782368.

The previous prime is 18341564767. The next prime is 18341564783. The reversal of 18341564768 is 86746514381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18341564767) by changing a digit.

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 as a sum of consecutive naturals, namely, 286586918 + ... + 286586981.

It is an arithmetic number, because the mean of its divisors is an integer number (3009162975).

Almost surely, 2^18341564768 is an apocalyptic number.

It is an amenable number.

18341564768 is a deficient number, since it is larger than the sum of its proper divisors (17768390932).

18341564768 is an equidigital number, since it uses as much as digits as its factorization.

18341564768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573173909 (or 573173901 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 18341564768 in words is "eighteen billion, three hundred forty-one million, five hundred sixty-four thousand, seven hundred sixty-eight".