18676761861862 has 12 divisors (see below), whose sum is σ = 30335923853100. Its totient is φ = 8620043936088.

The previous prime is 18676761861761. The next prime is 18676761861881. The reversal of 18676761861862 is 26816816767681.

It is a super-3 number, since 3×18676761861862³ (a number of 41 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 27628345612 + ... + 27628346287.

It is an arithmetic number, because the mean of its divisors is an integer number (2527993654425).

Almost surely, 2^{18676761861862} is an apocalyptic number.

18676761861862 is a deficient number, since it is larger than the sum of its proper divisors (11659161991238).

18676761861862 is a wasteful number, since it uses less digits than its factorization.

18676761861862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55256691927 (or 55256691914 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 73.

The spelling of 18676761861862 in words is "eighteen trillion, six hundred seventy-six billion, seven hundred sixty-one million, eight hundred sixty-one thousand, eight hundred sixty-two".