18747483073966 has 16 divisors (see below), whose sum is σ = 29783785420656. Its totient is φ = 8819864642176.

The previous prime is 18747483073937. The next prime is 18747483073993. The reversal of 18747483073966 is 66937038474781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77387716 + ... + 77629591.

It is an arithmetic number, because the mean of its divisors is an integer number (1861486588791).

Almost surely, 2^{18747483073966} is an apocalyptic number.

18747483073966 is a deficient number, since it is larger than the sum of its proper divisors (11036302346690).

18747483073966 is a wasteful number, since it uses less digits than its factorization.

18747483073966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155020883.

The product of its (nonzero) digits is 1024192512, while the sum is 73.

The spelling of 18747483073966 in words is "eighteen trillion, seven hundred forty-seven billion, four hundred eighty-three million, seventy-three thousand, nine hundred sixty-six".