566691042 has 16 divisors (see below), whose sum is σ = 1133748000. Its totient is φ = 188836032.

The previous prime is 566691019. The next prime is 566691061. The reversal of 566691042 is 240196665.

It is a super-2 number, since 2×566691042² = 642277474166091528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7498 + ... + 34490.

It is an arithmetic number, because the mean of its divisors is an integer number (70859250).

Almost surely, 2^566691042 is an apocalyptic number.

566691042 is an abundant number, since it is smaller than the sum of its proper divisors (567056958).

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

566691042 is a wasteful number, since it uses less digits than its factorization.

566691042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30497.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 566691042 is about 23805.2734073776. The cubic root of 566691042 is about 827.5268919681.

The spelling of 566691042 in words is "five hundred sixty-six million, six hundred ninety-one thousand, forty-two".