566405657426 has 16 divisors (see below), whose sum is σ = 971861462784. Its totient is φ = 242525197824.

The previous prime is 566405657369. The next prime is 566405657437. The reversal of 566405657426 is 624756504665.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18324335 + ... + 18355218.

It is an arithmetic number, because the mean of its divisors is an integer number (60741341424).

Almost surely, 2^566405657426 is an apocalyptic number.

566405657426 is a deficient number, since it is larger than the sum of its proper divisors (405455805358).

566405657426 is a wasteful number, since it uses less digits than its factorization.

566405657426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36680665.

The product of its (nonzero) digits is 36288000, while the sum is 56.

The spelling of 566405657426 in words is "five hundred sixty-six billion, four hundred five million, six hundred fifty-seven thousand, four hundred twenty-six".