566821342 has 4 divisors (see below), whose sum is σ = 850232016. Its totient is φ = 283410670.

The previous prime is 566821303. The next prime is 566821369. The reversal of 566821342 is 243128665.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141705334 + ... + 141705337.

It is an arithmetic number, because the mean of its divisors is an integer number (212558004).

Almost surely, 2^566821342 is an apocalyptic number.

566821342 is a deficient number, since it is larger than the sum of its proper divisors (283410674).

566821342 is a wasteful number, since it uses less digits than its factorization.

566821342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283410673.

The product of its digits is 69120, while the sum is 37.

The square root of 566821342 is about 23808.0100386404. The cubic root of 566821342 is about 827.5903118817.

The spelling of 566821342 in words is "five hundred sixty-six million, eight hundred twenty-one thousand, three hundred forty-two".