18760648768 has 28 divisors (see below), whose sum is σ = 37232582380. Its totient is φ = 9379210752.

The previous prime is 18760648721. The next prime is 18760648769. The reversal of 18760648768 is 86784606781.

It can be written as a sum of positive squares in 2 ways, for example, as 1275346944 + 17485301824 = 35712^2 + 132232^2 .

It is not an unprimeable number, because it can be changed into a prime (18760648769) 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 in 3 ways as a sum of consecutive naturals, for example, 904498 + ... + 925006.

It is an arithmetic number, because the mean of its divisors is an integer number (1329735085).

Almost surely, 2^18760648768 is an apocalyptic number.

It is an amenable number.

18760648768 is a deficient number, since it is larger than the sum of its proper divisors (18471933612).

18760648768 is a wasteful number, since it uses less digits than its factorization.

18760648768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34814 (or 34804 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 18760648768 in words is "eighteen billion, seven hundred sixty million, six hundred forty-eight thousand, seven hundred sixty-eight".