564160421 has 8 divisors (see below), whose sum is σ = 616370304. Its totient is φ = 512104320.

The previous prime is 564160397. The next prime is 564160427. The reversal of 564160421 is 124061465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564160421 - 2⁶ = 564160357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564160427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30701 + ... + 45506.

It is an arithmetic number, because the mean of its divisors is an integer number (77046288).

Almost surely, 2^564160421 is an apocalyptic number.

It is an amenable number.

564160421 is a deficient number, since it is larger than the sum of its proper divisors (52209883).

564160421 is a wasteful number, since it uses less digits than its factorization.

564160421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76891.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 564160421 is about 23752.0614052760. The cubic root of 564160421 is about 826.2932497885.

The spelling of 564160421 in words is "five hundred sixty-four million, one hundred sixty thousand, four hundred twenty-one".