1868543864600 has 96 divisors (see below), whose sum is σ = 5086085407200. Its totient is φ = 625018137600.

The previous prime is 1868543864581. The next prime is 1868543864729. The reversal of 1868543864600 is 64683458681.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1868543864600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16219115 + ... + 16333914.

It is an arithmetic number, because the mean of its divisors is an integer number (52980056325).

Almost surely, 2^{1868543864600} is an apocalyptic number.

1868543864600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1868543864600 is an abundant number, since it is smaller than the sum of its proper divisors (3217541542600).

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

1868543864600 is a wasteful number, since it uses less digits than its factorization.

1868543864600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32553093 (or 32553084 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 1868543864600 in words is "one trillion, eight hundred sixty-eight billion, five hundred forty-three million, eight hundred sixty-four thousand, six hundred".