566620466 has 8 divisors (see below), whose sum is σ = 850191660. Its totient is φ = 283223248.

The previous prime is 566620463. The next prime is 566620471. The reversal of 566620466 is 664026665.

It can be written as a sum of positive squares in 2 ways, for example, as 509179225 + 57441241 = 22565^2 + 7579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (566620463) 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, 35021 + ... + 48576.

Almost surely, 2^566620466 is an apocalyptic number.

566620466 is a deficient number, since it is larger than the sum of its proper divisors (283571194).

566620466 is a wasteful number, since it uses less digits than its factorization.

566620466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86988.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 566620466 is about 23803.7910005948. The cubic root of 566620466 is about 827.4925369973.

The spelling of 566620466 in words is "five hundred sixty-six million, six hundred twenty thousand, four hundred sixty-six".