563911164 has 36 divisors (see below), whose sum is σ = 1443492960. Its totient is φ = 185590080.

The previous prime is 563911157. The next prime is 563911169. The reversal of 563911164 is 461119365.

563911164 is a `hidden beast` number, since 5 + 639 + 1 + 1 + 16 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563911169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96297 + ... + 101984.

Almost surely, 2^563911164 is an apocalyptic number.

It is an amenable number.

563911164 is an abundant number, since it is smaller than the sum of its proper divisors (879581796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563911164 is a wasteful number, since it uses less digits than its factorization.

563911164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198370 (or 198365 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 563911164 is about 23746.8137652191. The cubic root of 563911164 is about 826.1715410755.

The spelling of 563911164 in words is "five hundred sixty-three million, nine hundred eleven thousand, one hundred sixty-four".