564166437 has 48 divisors (see below), whose sum is σ = 835531200. Its totient is φ = 338237440.

The previous prime is 564166423. The next prime is 564166439. The reversal of 564166437 is 734661465.

It is not a de Polignac number, because 564166437 - 2⁸ = 564166181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564166439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2097139 + ... + 2097407.

It is an arithmetic number, because the mean of its divisors is an integer number (17406900).

Almost surely, 2^564166437 is an apocalyptic number.

It is an amenable number.

564166437 is a deficient number, since it is larger than the sum of its proper divisors (271364763).

564166437 is a wasteful number, since it uses less digits than its factorization.

564166437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 389 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 564166437 is about 23752.1880465779. The cubic root of 564166437 is about 826.2961868742.

The spelling of 564166437 in words is "five hundred sixty-four million, one hundred sixty-six thousand, four hundred thirty-seven".