566427203885656 has 16 divisors (see below), whose sum is σ = 1066729646087640. Its totient is φ = 281965964928960.

The previous prime is 566427203885639. The next prime is 566427203885659. The reversal of 566427203885656 is 656588302724665.

It is a super-3 number, since 3×566427203885656³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566427203885659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155954624805 + ... + 155954628436.

Almost surely, 2^{566427203885656} is an apocalyptic number.

It is an amenable number.

566427203885656 is a deficient number, since it is larger than the sum of its proper divisors (500302442201984).

566427203885656 is a wasteful number, since it uses less digits than its factorization.

566427203885656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311909253474 (or 311909253470 counting only the distinct ones).

The product of its (nonzero) digits is 3483648000, while the sum is 73.

The spelling of 566427203885656 in words is "five hundred sixty-six trillion, four hundred twenty-seven billion, two hundred three million, eight hundred eighty-five thousand, six hundred fifty-six".