1820618088816 has 40 divisors (see below), whose sum is σ = 4718386468224. Its totient is φ = 604921332160.

The previous prime is 1820618088721. The next prime is 1820618088833. The reversal of 1820618088816 is 6188808160281.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60965046 + ... + 60994901.

Almost surely, 2^{1820618088816} is an apocalyptic number.

1820618088816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1820618088816 is an abundant number, since it is smaller than the sum of its proper divisors (2897768379408).

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

1820618088816 is a wasteful number, since it uses less digits than its factorization.

1820618088816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121960269 (or 121960263 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 57.

The spelling of 1820618088816 in words is "one trillion, eight hundred twenty billion, six hundred eighteen million, eighty-eight thousand, eight hundred sixteen".