2163474666 has 12 divisors (see below), whose sum is σ = 4687528482. Its totient is φ = 721158216.

The previous prime is 2163474661. The next prime is 2163474701. The reversal of 2163474666 is 6664743612.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1795640625 + 367834041 = 42375^2 + 19179^2 .

It is not an unprimeable number, because it can be changed into a prime (2163474661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60096501 + ... + 60096536.

Almost surely, 2^2163474666 is an apocalyptic number.

2163474666 is an abundant number, since it is smaller than the sum of its proper divisors (2524053816).

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

2163474666 is a wasteful number, since it uses less digits than its factorization.

2163474666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120193045 (or 120193042 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 2163474666 is about 46513.1665875373. The cubic root of 2163474666 is about 1293.3535853603.

The spelling of 2163474666 in words is "two billion, one hundred sixty-three million, four hundred seventy-four thousand, six hundred sixty-six".