5604668664066 has 12 divisors (see below), whose sum is σ = 12143448772182. Its totient is φ = 1868222888016.

The previous prime is 5604668664047. The next prime is 5604668664107. The reversal of 5604668664066 is 6604668664065.

5604668664066 is a `hidden beast` number, since 56 + 0 + 466 + 8 + 6 + 64 + 0 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3141561278025 + 2463107386041 = 1772445^2 + 1569429^2 .

It is a super-2 number, since 2×5604668664066² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5604668663994 and 5604668664012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155685240651 + ... + 155685240686.

Almost surely, 2^{5604668664066} is an apocalyptic number.

5604668664066 is an abundant number, since it is smaller than the sum of its proper divisors (6538780108116).

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

5604668664066 is a wasteful number, since it uses less digits than its factorization.

5604668664066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311370481345 (or 311370481342 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 63.

Subtracting 5604668664066 from its reverse (6604668664065), we obtain a palindrome (999999999999).

The spelling of 5604668664066 in words is "five trillion, six hundred four billion, six hundred sixty-eight million, six hundred sixty-four thousand, sixty-six".