3666421422352 has 20 divisors (see below), whose sum is σ = 7650129314380. Its totient is φ = 1692194502528.

The previous prime is 3666421422337. The next prime is 3666421422379. The reversal of 3666421422352 is 2532241246663.

It can be written as a sum of positive squares in 2 ways, for example, as 1309385872656 + 2357035549696 = 1144284^2 + 1535264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8813512827 + ... + 8813513242.

It is an arithmetic number, because the mean of its divisors is an integer number (382506465719).

Almost surely, 2^{3666421422352} is an apocalyptic number.

It is an amenable number.

3666421422352 is an abundant number, since it is smaller than the sum of its proper divisors (3983707892028).

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

3666421422352 is a wasteful number, since it uses less digits than its factorization.

3666421422352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17627026090 (or 17627026084 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 46.

The spelling of 3666421422352 in words is "three trillion, six hundred sixty-six billion, four hundred twenty-one million, four hundred twenty-two thousand, three hundred fifty-two".