566967820 has 24 divisors (see below), whose sum is σ = 1198222704. Its totient is φ = 225341376.

The previous prime is 566967769. The next prime is 566967823. The reversal of 566967820 is 28769665.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (566967823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87142 + ... + 93421.

It is an arithmetic number, because the mean of its divisors is an integer number (49925946).

Almost surely, 2^566967820 is an apocalyptic number.

It is an amenable number.

566967820 is an abundant number, since it is smaller than the sum of its proper divisors (631254884).

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

566967820 is a wasteful number, since it uses less digits than its factorization.

566967820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180729 (or 180727 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 566967820 is about 23811.0860735079. The cubic root of 566967820 is about 827.6615943853.

It can be divided in two parts, 56696 and 7820, that added together give a square (64516 = 254²).

The spelling of 566967820 in words is "five hundred sixty-six million, nine hundred sixty-seven thousand, eight hundred twenty".