1820411636160 has 448 divisors, whose sum is σ = 6477814425600. Its totient is φ = 430044561408.

The previous prime is 1820411636143. The next prime is 1820411636171. The reversal of 1820411636160 is 616361140281.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60425581 + ... + 60455699.

It is an arithmetic number, because the mean of its divisors is an integer number (14459407200).

Almost surely, 2^{1820411636160} is an apocalyptic number.

1820411636160 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 1820411636160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3238907212800).

1820411636160 is an abundant number, since it is smaller than the sum of its proper divisors (4657402789440).

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

1820411636160 is a wasteful number, since it uses less digits than its factorization.

1820411636160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30348 (or 30338 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 1820411636160 in words is "one trillion, eight hundred twenty billion, four hundred eleven million, six hundred thirty-six thousand, one hundred sixty".