2163513192666 has 32 divisors (see below), whose sum is σ = 4945358845440. Its totient is φ = 618123397296.

The previous prime is 2163513192641. The next prime is 2163513192667. The reversal of 2163513192666 is 6662913153612.

It is not an unprimeable number, because it can be changed into a prime (2163513192667) 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, 179065 + ... + 2087843.

It is an arithmetic number, because the mean of its divisors is an integer number (154542463920).

Almost surely, 2^{2163513192666} is an apocalyptic number.

2163513192666 is an abundant number, since it is smaller than the sum of its proper divisors (2781845652774).

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

2163513192666 is a wasteful number, since it uses less digits than its factorization.

2163513192666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935778.

The product of its digits is 2099520, while the sum is 51.

The spelling of 2163513192666 in words is "two trillion, one hundred sixty-three billion, five hundred thirteen million, one hundred ninety-two thousand, six hundred sixty-six".