1800322312160 has 96 divisors (see below), whose sum is σ = 4505394610080. Its totient is φ = 677476237312.

The previous prime is 1800322312127. The next prime is 1800322312223. The reversal of 1800322312160 is 612132230081.

It is a happy number.

It is a super-2 number, since 2×1800322312160² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6220592 + ... + 6503568.

It is an arithmetic number, because the mean of its divisors is an integer number (46931193855).

Almost surely, 2^{1800322312160} is an apocalyptic number.

1800322312160 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 1800322312160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252697305040).

1800322312160 is an abundant number, since it is smaller than the sum of its proper divisors (2705072297920).

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

1800322312160 is a wasteful number, since it uses less digits than its factorization.

1800322312160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285348 (or 285340 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1800322312160 in words is "one trillion, eight hundred billion, three hundred twenty-two million, three hundred twelve thousand, one hundred sixty".