626660528416 has 72 divisors (see below), whose sum is σ = 1337333747904. Its totient is φ = 288926426880.

The previous prime is 626660528401. The next prime is 626660528449. The reversal of 626660528416 is 614825066626.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5169621 + ... + 5289451.

It is an arithmetic number, because the mean of its divisors is an integer number (18574079832).

Almost surely, 2^626660528416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 626660528416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668666873952).

626660528416 is an abundant number, since it is smaller than the sum of its proper divisors (710673219488).

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

626660528416 is a wasteful number, since it uses less digits than its factorization.

626660528416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120834 (or 120813 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 626660528416 in words is "six hundred twenty-six billion, six hundred sixty million, five hundred twenty-eight thousand, four hundred sixteen".