522368616 has 144 divisors (see below), whose sum is σ = 1670245920. Its totient is φ = 135643200.

The previous prime is 522368611. The next prime is 522368621. The reversal of 522368616 is 616863225.

It is an interprime number because it is at equal distance from previous prime (522368611) and next prime (522368621).

It is not an unprimeable number, because it can be changed into a prime (522368611) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 140461 + ... + 144131.

It is an arithmetic number, because the mean of its divisors is an integer number (11598930).

Almost surely, 2^522368616 is an apocalyptic number.

522368616 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 522368616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835122960).

522368616 is an abundant number, since it is smaller than the sum of its proper divisors (1147877304).

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

522368616 is a wasteful number, since it uses less digits than its factorization.

522368616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716 (or 3694 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 522368616 is about 22855.3848359637. The cubic root of 522368616 is about 805.3642711813.

The spelling of 522368616 in words is "five hundred twenty-two million, three hundred sixty-eight thousand, six hundred sixteen".