1868851718804 has 36 divisors (see below), whose sum is σ = 3811403475936. Its totient is φ = 799472170224.

The previous prime is 1868851718779. The next prime is 1868851718813. The reversal of 1868851718804 is 4088171588681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8608472 + ... + 8822895.

It is an arithmetic number, because the mean of its divisors is an integer number (105872318776).

Almost surely, 2^{1868851718804} is an apocalyptic number.

1868851718804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1868851718804 is an abundant number, since it is smaller than the sum of its proper divisors (1942551757132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1868851718804 is a wasteful number, since it uses less digits than its factorization.

1868851718804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431932 (or 17431923 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 65.

The spelling of 1868851718804 in words is "one trillion, eight hundred sixty-eight billion, eight hundred fifty-one million, seven hundred eighteen thousand, eight hundred four".