561268936 has 16 divisors (see below), whose sum is σ = 1054897200. Its totient is φ = 279963024.

The previous prime is 561268933. The next prime is 561268937. The reversal of 561268936 is 639862165.

It is not an unprimeable number, because it can be changed into a prime (561268933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80370 + ... + 87073.

It is an arithmetic number, because the mean of its divisors is an integer number (65931075).

Almost surely, 2^561268936 is an apocalyptic number.

It is an amenable number.

561268936 is a deficient number, since it is larger than the sum of its proper divisors (493628264).

561268936 is a wasteful number, since it uses less digits than its factorization.

561268936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167868 (or 167864 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 561268936 is about 23691.1151278280. The cubic root of 561268936 is about 824.8791673660.

The spelling of 561268936 in words is "five hundred sixty-one million, two hundred sixty-eight thousand, nine hundred thirty-six".