2183818651320 has 64 divisors (see below), whose sum is σ = 6552955689120. Its totient is φ = 582218330624.

The previous prime is 2183818651303. The next prime is 2183818651321. The reversal of 2183818651320 is 231568183812.

It is a self number, because there is not a number n which added to its sum of digits gives 2183818651320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183818651321) 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, 1556019 + ... + 2605538.

Almost surely, 2^{2183818651320} is an apocalyptic number.

2183818651320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2183818651320 is an abundant number, since it is smaller than the sum of its proper divisors (4369137037800).

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

2183818651320 is a wasteful number, since it uses less digits than its factorization.

2183818651320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165944 (or 4165940 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 2183818651320 in words is "two trillion, one hundred eighty-three billion, eight hundred eighteen million, six hundred fifty-one thousand, three hundred twenty".