556465616 has 60 divisors (see below), whose sum is σ = 1300532832. Its totient is φ = 225916992.

The previous prime is 556465589. The next prime is 556465627. The reversal of 556465616 is 616564655.

556465616 = 86³ + 87³ + ... + 218³.

It is a happy number.

556465616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33551 + ... + 47313.

Almost surely, 2^556465616 is an apocalyptic number.

556465616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556465616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650266416).

556465616 is an abundant number, since it is smaller than the sum of its proper divisors (744067216).

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

556465616 is a wasteful number, since it uses less digits than its factorization.

556465616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816 (or 13791 counting only the distinct ones).

The product of its digits is 648000, while the sum is 44.

The square root of 556465616 is about 23589.5234373228. The cubic root of 556465616 is about 822.5193269726.

The spelling of 556465616 in words is "five hundred fifty-six million, four hundred sixty-five thousand, six hundred sixteen".