561339016 has 16 divisors (see below), whose sum is σ = 1202869440. Its totient is φ = 240573840.

The previous prime is 561339007. The next prime is 561339029. The reversal of 561339016 is 610933165.

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, 5011900 + ... + 5012011.

It is an arithmetic number, because the mean of its divisors is an integer number (75179340).

Almost surely, 2^561339016 is an apocalyptic number.

561339016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

561339016 is an abundant number, since it is smaller than the sum of its proper divisors (641530424).

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

561339016 is a wasteful number, since it uses less digits than its factorization.

561339016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10023924 (or 10023920 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 561339016 is about 23692.5941171498. The cubic root of 561339016 is about 824.9134973889.

The spelling of 561339016 in words is "five hundred sixty-one million, three hundred thirty-nine thousand, sixteen".