2183657814 has 48 divisors (see below), whose sum is σ = 5110075152. Its totient is φ = 669933504.

The previous prime is 2183657807. The next prime is 2183657831. The reversal of 2183657814 is 4187563812.

2183657814 is a `hidden beast` number, since 218 + 365 + 78 + 1 + 4 = 666.

2183657814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2183657814² = 9536722897286517192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2183657814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67752 + ... + 94644.

It is an arithmetic number, because the mean of its divisors is an integer number (106459899).

Almost surely, 2^2183657814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2183657814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555037576).

2183657814 is an abundant number, since it is smaller than the sum of its proper divisors (2926417338).

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

2183657814 is a wasteful number, since it uses less digits than its factorization.

2183657814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27261 (or 27258 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 2183657814 is about 46729.6245865511. The cubic root of 2183657814 is about 1297.3630599348.

The spelling of 2183657814 in words is "two billion, one hundred eighty-three million, six hundred fifty-seven thousand, eight hundred fourteen".