566669396 has 12 divisors (see below), whose sum is σ = 1025867220. Its totient is φ = 273564480.

The previous prime is 566669387. The next prime is 566669399. The reversal of 566669396 is 693966665.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 229946896 + 336722500 = 15164^2 + 18350^2 .

It is a super-2 number, since 2×566669396² = 642228408726009632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566669399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442425 + ... + 2442656.

It is an arithmetic number, because the mean of its divisors is an integer number (85488935).

Almost surely, 2^566669396 is an apocalyptic number.

It is an amenable number.

566669396 is a deficient number, since it is larger than the sum of its proper divisors (459197824).

566669396 is a wasteful number, since it uses less digits than its factorization.

566669396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885114 (or 4885112 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 56.

The square root of 566669396 is about 23804.8187558738. The cubic root of 566669396 is about 827.5163554359.

The spelling of 566669396 in words is "five hundred sixty-six million, six hundred sixty-nine thousand, three hundred ninety-six".