566501563327993 has 16 divisors (see below), whose sum is σ = 592332525792000. Its totient is φ = 540771751336960.

The previous prime is 566501563327943. The next prime is 566501563328009. The reversal of 566501563327993 is 399723365105665.

It is not a de Polignac number, because 566501563327993 - 2³³ = 566492973393401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566501563327933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9776748 + ... + 35051218.

It is an arithmetic number, because the mean of its divisors is an integer number (37020782862000).

Almost surely, 2^{566501563327993} is an apocalyptic number.

It is an amenable number.

566501563327993 is a deficient number, since it is larger than the sum of its proper divisors (25830962464007).

566501563327993 is a wasteful number, since it uses less digits than its factorization.

566501563327993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25276472.

The product of its (nonzero) digits is 826686000, while the sum is 70.

The spelling of 566501563327993 in words is "five hundred sixty-six trillion, five hundred one billion, five hundred sixty-three million, three hundred twenty-seven thousand, nine hundred ninety-three".