2163327408 has 120 divisors (see below), whose sum is σ = 6638860800. Its totient is φ = 652164480.

The previous prime is 2163327379. The next prime is 2163327449. The reversal of 2163327408 is 8047233612.

It is a happy number.

2163327408 is a `hidden beast` number, since 216 + 3 + 32 + 7 + 408 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 311785 + ... + 318647.

It is an arithmetic number, because the mean of its divisors is an integer number (55323840).

Almost surely, 2^2163327408 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 2163327408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319430400).

2163327408 is an abundant number, since it is smaller than the sum of its proper divisors (4475533392).

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

2163327408 is a wasteful number, since it uses less digits than its factorization.

2163327408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087 (or 7078 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2163327408 is about 46511.5835894673. The cubic root of 2163327408 is about 1293.3242404387.

The spelling of 2163327408 in words is "two billion, one hundred sixty-three million, three hundred twenty-seven thousand, four hundred eight".