566999998 has 4 divisors (see below), whose sum is σ = 850500000. Its totient is φ = 283499998.

The previous prime is 566999969. The next prime is 567000011. The reversal of 566999998 is 899999665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141749998 + ... + 141750001.

It is an arithmetic number, because the mean of its divisors is an integer number (212625000).

Almost surely, 2^566999998 is an apocalyptic number.

566999998 is a deficient number, since it is larger than the sum of its proper divisors (283500002).

566999998 is a wasteful number, since it uses less digits than its factorization.

566999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283500001.

The product of its digits is 85030560, while the sum is 70.

The square root of 566999998 is about 23811.7617575853. The cubic root of 566999998 is about 827.6772519412.

The spelling of 566999998 in words is "five hundred sixty-six million, nine hundred ninety-nine thousand, nine hundred ninety-eight".