2163783632 has 40 divisors (see below), whose sum is σ = 4345912320. Its totient is φ = 1042554240.

The previous prime is 2163783623. The next prime is 2163783637. The reversal of 2163783632 is 2363873612.

It is a super-2 number, since 2×2163783632² = 9363919212222222848, 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 2163783632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163783637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109418 + ... + 127670.

It is an arithmetic number, because the mean of its divisors is an integer number (108647808).

Almost surely, 2^2163783632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2163783632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172956160).

2163783632 is an abundant number, since it is smaller than the sum of its proper divisors (2182128688).

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

2163783632 is a wasteful number, since it uses less digits than its factorization.

2163783632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18531 (or 18525 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 2163783632 is about 46516.4877435947. The cubic root of 2163783632 is about 1293.4151504080.

The spelling of 2163783632 in words is "two billion, one hundred sixty-three million, seven hundred eighty-three thousand, six hundred thirty-two".