2163081408832 has 14 divisors (see below), whose sum is σ = 4292364670778. Its totient is φ = 1081540704384.

The previous prime is 2163081408823. The next prime is 2163081408857. The reversal of 2163081408832 is 2388041803612.

It can be written as a sum of positive squares in only one way, i.e., 2160359073856 + 2722334976 = 1469816^2 + 52176^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16899073443 + ... + 16899073570.

Almost surely, 2^{2163081408832} is an apocalyptic number.

It is an amenable number.

2163081408832 is a deficient number, since it is larger than the sum of its proper divisors (2129283261946).

2163081408832 is an equidigital number, since it uses as much as digits as its factorization.

2163081408832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33798147025 (or 33798147015 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 2163081408832 in words is "two trillion, one hundred sixty-three billion, eighty-one million, four hundred eight thousand, eight hundred thirty-two".