561633346 has 8 divisors (see below), whose sum is σ = 842747580. Its totient is φ = 280717488.

The previous prime is 561633307. The next prime is 561633367. The reversal of 561633346 is 643336165.

It can be written as a sum of positive squares in 2 ways, for example, as 314672121 + 246961225 = 17739^2 + 15715^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 42301 + ... + 53968.

Almost surely, 2^561633346 is an apocalyptic number.

561633346 is a deficient number, since it is larger than the sum of its proper divisors (281114234).

561633346 is a wasteful number, since it uses less digits than its factorization.

561633346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99188.

The product of its digits is 116640, while the sum is 37.

The square root of 561633346 is about 23698.8047377922. The cubic root of 561633346 is about 825.0576493538.

The spelling of 561633346 in words is "five hundred sixty-one million, six hundred thirty-three thousand, three hundred forty-six".