564166447 has 6 divisors (see below), whose sum is σ = 610902312. Its totient is φ = 520768872.

The previous prime is 564166439. The next prime is 564166457. The reversal of 564166447 is 744661465.

It is not a de Polignac number, because 564166447 - 2³ = 564166439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564166457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1668963 + ... + 1669300.

It is an arithmetic number, because the mean of its divisors is an integer number (101817052).

Almost surely, 2^564166447 is an apocalyptic number.

564166447 is a deficient number, since it is larger than the sum of its proper divisors (46735865).

564166447 is a wasteful number, since it uses less digits than its factorization.

564166447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338289 (or 3338276 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 564166447 is about 23752.1882570849. The cubic root of 564166447 is about 826.2961917563.

The spelling of 564166447 in words is "five hundred sixty-four million, one hundred sixty-six thousand, four hundred forty-seven".