564666666465 has 48 divisors (see below), whose sum is σ = 1045333396800. Its totient is φ = 259368405120.

The previous prime is 564666666451. The next prime is 564666666481.

564666666465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564666666465 - 2⁴ = 564666666449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564666666396 and 564666666405.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8152650 + ... + 8221619.

It is an arithmetic number, because the mean of its divisors is an integer number (21777779100).

Almost surely, 2^564666666465 is an apocalyptic number.

564666666465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564666666465 is a deficient number, since it is larger than the sum of its proper divisors (480666730335).

564666666465 is a wasteful number, since it uses less digits than its factorization.

564666666465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16374318 (or 16374307 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 66.

The spelling of 564666666465 in words is "five hundred sixty-four billion, six hundred sixty-six million, six hundred sixty-six thousand, four hundred sixty-five".