18703867136396 has 24 divisors (see below), whose sum is σ = 35249839621920. Its totient is φ = 8632494340992.

The previous prime is 18703867136389. The next prime is 18703867136407. The reversal of 18703867136396 is 69363176830781.

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, 6845360 + ... + 9179688.

It is an arithmetic number, because the mean of its divisors is an integer number (1468743317580).

Almost surely, 2^{18703867136396} is an apocalyptic number.

It is an amenable number.

18703867136396 is a deficient number, since it is larger than the sum of its proper divisors (16545972485524).

18703867136396 is a wasteful number, since it uses less digits than its factorization.

18703867136396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488433 (or 2488431 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 68.

The spelling of 18703867136396 in words is "eighteen trillion, seven hundred three billion, eight hundred sixty-seven million, one hundred thirty-six thousand, three hundred ninety-six".