1868666112000 has 2688 divisors, whose sum is σ = 8043612595200. Its totient is φ = 429981696000.

The previous prime is 1868666111989. The next prime is 1868666112043. The reversal of 1868666112000 is 2116668681.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 60279551985 + ... + 60279552015.

It is an arithmetic number, because the mean of its divisors is an integer number (2992415400).

Almost surely, 2^{1868666112000} is an apocalyptic number.

1868666112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868666112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021806297600).

1868666112000 is an abundant number, since it is smaller than the sum of its proper divisors (6174946483200).

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

1868666112000 is an equidigital number, since it uses as much as digits as its factorization.

1868666112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1868666112000 in words is "one trillion, eight hundred sixty-eight billion, six hundred sixty-six million, one hundred twelve thousand".