1866349096000 has 112 divisors (see below), whose sum is σ = 4634895358080. Its totient is φ = 744458995200.

The previous prime is 1866349095977. The next prime is 1866349096009. The reversal of 1866349096000 is 6909436681.

It is not an unprimeable number, because it can be changed into a prime (1866349096009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2547079 + ... + 3196921.

Almost surely, 2^{1866349096000} is an apocalyptic number.

1866349096000 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 1866349096000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2317447679040).

1866349096000 is an abundant number, since it is smaller than the sum of its proper divisors (2768546262080).

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

1866349096000 is an equidigital number, since it uses as much as digits as its factorization.

1866349096000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650229 (or 650209 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 1866349096000 in words is "one trillion, eight hundred sixty-six billion, three hundred forty-nine million, ninety-six thousand".