2303656656066 has 12 divisors (see below), whose sum is σ = 4991256088182. Its totient is φ = 767885552016.

The previous prime is 2303656656061. The next prime is 2303656656073. The reversal of 2303656656066 is 6606566563032.

2303656656066 is a `hidden beast` number, since 23 + 0 + 3 + 6 + 5 + 6 + 6 + 5 + 606 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2106187515441 + 197469140625 = 1451271^2 + 444375^2 .

It is not an unprimeable number, because it can be changed into a prime (2303656656061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63990462651 + ... + 63990462686.

Almost surely, 2^{2303656656066} is an apocalyptic number.

2303656656066 is an abundant number, since it is smaller than the sum of its proper divisors (2687599432116).

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

2303656656066 is a wasteful number, since it uses less digits than its factorization.

2303656656066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127980925345 (or 127980925342 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 54.

The spelling of 2303656656066 in words is "two trillion, three hundred three billion, six hundred fifty-six million, six hundred fifty-six thousand, sixty-six".