628188660355 has 16 divisors (see below), whose sum is σ = 755762538240. Its totient is φ = 501260470272.

The previous prime is 628188660353. The next prime is 628188660361. The reversal of 628188660355 is 553066881826.

It is a cyclic number.

It is not a de Polignac number, because 628188660355 - 2¹ = 628188660353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628188660355.

It is not an unprimeable number, because it can be changed into a prime (628188660353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24132307 + ... + 24158323.

It is an arithmetic number, because the mean of its divisors is an integer number (47235158640).

Almost surely, 2^628188660355 is an apocalyptic number.

628188660355 is a deficient number, since it is larger than the sum of its proper divisors (127573877885).

628188660355 is a wasteful number, since it uses less digits than its factorization.

628188660355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38238.

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 628188660355 in words is "six hundred twenty-eight billion, one hundred eighty-eight million, six hundred sixty thousand, three hundred fifty-five".