566405657425 has 24 divisors (see below), whose sum is σ = 739362276000. Its totient is φ = 429244606080.

The previous prime is 566405657369. The next prime is 566405657437. The reversal of 566405657425 is 524756504665.

It is a happy number.

It is not a de Polignac number, because 566405657425 - 2²⁷ = 566271439697 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 8087157 + ... + 8156893.

It is an arithmetic number, because the mean of its divisors is an integer number (30806761500).

Almost surely, 2^566405657425 is an apocalyptic number.

It is an amenable number.

566405657425 is a deficient number, since it is larger than the sum of its proper divisors (172956618575).

566405657425 is a wasteful number, since it uses less digits than its factorization.

566405657425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86865 (or 86860 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 55.

It can be divided in two parts, 566405 and 657425, that added together give a triangular number (1223830 = T₁₅₆₄).

The spelling of 566405657425 in words is "five hundred sixty-six billion, four hundred five million, six hundred fifty-seven thousand, four hundred twenty-five".