566403316326331 has 32 divisors (see below), whose sum is σ = 676808342815680. Its totient is φ = 467907150950400.

The previous prime is 566403316326299. The next prime is 566403316326409. The reversal of 566403316326331 is 133623613304665.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 566403316326331 - 2⁵ = 566403316326299 is a prime.

It is a super-2 number, since 2×566403316326331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566403316336331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578041545 + ... + 579020581.

It is an arithmetic number, because the mean of its divisors is an integer number (21150260712990).

Almost surely, 2^{566403316326331} is an apocalyptic number.

566403316326331 is a deficient number, since it is larger than the sum of its proper divisors (110405026489349).

566403316326331 is a wasteful number, since it uses less digits than its factorization.

566403316326331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085775.

The product of its (nonzero) digits is 12597120, while the sum is 52.

The spelling of 566403316326331 in words is "five hundred sixty-six trillion, four hundred three billion, three hundred sixteen million, three hundred twenty-six thousand, three hundred thirty-one".