566523216 has 120 divisors (see below), whose sum is σ = 1837035200. Its totient is φ = 159625728.

The previous prime is 566523203. The next prime is 566523227. The reversal of 566523216 is 612325665.

It is a happy number.

566523216 is a `hidden beast` number, since 566 + 52 + 32 + 16 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69735 + ... + 77433.

Almost surely, 2^566523216 is an apocalyptic number.

566523216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566523216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918517600).

566523216 is an abundant number, since it is smaller than the sum of its proper divisors (1270511984).

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

566523216 is a wasteful number, since it uses less digits than its factorization.

566523216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793 (or 7784 counting only the distinct ones).

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

The square root of 566523216 is about 23801.7481710903. The cubic root of 566523216 is about 827.4451929881.

The spelling of 566523216 in words is "five hundred sixty-six million, five hundred twenty-three thousand, two hundred sixteen".