627666016 has 12 divisors (see below), whose sum is σ = 1235717532. Its totient is φ = 313832992.

The previous prime is 627666001. The next prime is 627666019. The reversal of 627666016 is 610666726.

It is a self number, because there is not a number n which added to its sum of digits gives 627666016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627666019) by changing a digit.

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 as a sum of consecutive naturals, namely, 9807250 + ... + 9807313.

It is an arithmetic number, because the mean of its divisors is an integer number (102976461).

Almost surely, 2^627666016 is an apocalyptic number.

It is an amenable number.

627666016 is a deficient number, since it is larger than the sum of its proper divisors (608051516).

627666016 is a wasteful number, since it uses less digits than its factorization.

627666016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19614573 (or 19614565 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 627666016 is about 25053.2635798213. The cubic root of 627666016 is about 856.2019350646.

The spelling of 627666016 in words is "six hundred twenty-seven million, six hundred sixty-six thousand, sixteen".