564866668465 has 16 divisors (see below), whose sum is σ = 739531514880. Its totient is φ = 410773403520.

The previous prime is 564866668451. The next prime is 564866668489.

564866668465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564866668465 - 2²⁵ = 564833114033 is a prime.

It is a super-3 number, since 3×564866668465³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564866668394 and 564866668403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111472 + ... + 1068718.

It is an arithmetic number, because the mean of its divisors is an integer number (46220719680).

Almost surely, 2^564866668465 is an apocalyptic number.

564866668465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564866668465 is a deficient number, since it is larger than the sum of its proper divisors (174664846415).

564866668465 is a wasteful number, since it uses less digits than its factorization.

564866668465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967992.

The product of its digits is 1194393600, while the sum is 70.

The spelling of 564866668465 in words is "five hundred sixty-four billion, eight hundred sixty-six million, six hundred sixty-eight thousand, four hundred sixty-five".