563165604 has 36 divisors (see below), whose sum is σ = 1462035484. Its totient is φ = 182647872.

The previous prime is 563165599. The next prime is 563165611. The reversal of 563165604 is 406561365.

It can be written as a sum of positive squares in 2 ways, for example, as 288932004 + 274233600 = 16998^2 + 16560^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210067 + ... + 212730.

Almost surely, 2^563165604 is an apocalyptic number.

It is an amenable number.

563165604 is an abundant number, since it is smaller than the sum of its proper divisors (898869880).

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

563165604 is a wasteful number, since it uses less digits than its factorization.

563165604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422844 (or 422839 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 563165604 is about 23731.1104670641. The cubic root of 563165604 is about 825.8072803245.

The spelling of 563165604 in words is "five hundred sixty-three million, one hundred sixty-five thousand, six hundred four".