561066104 has 16 divisors (see below), whose sum is σ = 1052272320. Its totient is φ = 280460160.

The previous prime is 561066041. The next prime is 561066127. The reversal of 561066104 is 401660165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37817 + ... + 50519.

It is an arithmetic number, because the mean of its divisors is an integer number (65767020).

Almost surely, 2^561066104 is an apocalyptic number.

It is an amenable number.

561066104 is a deficient number, since it is larger than the sum of its proper divisors (491206216).

561066104 is a wasteful number, since it uses less digits than its factorization.

561066104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18230 (or 18226 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 561066104 is about 23686.8339800827. The cubic root of 561066104 is about 824.7797901400.

The spelling of 561066104 in words is "five hundred sixty-one million, sixty-six thousand, one hundred four".