628163387101 has 2 divisors, whose sum is σ = 628163387102. Its totient is φ = 628163387100.

The previous prime is 628163387063. The next prime is 628163387123. The reversal of 628163387101 is 101783361826.

628163387101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534435564601 + 93727822500 = 731051^2 + 306150^2 .

It is a cyclic number.

It is not a de Polignac number, because 628163387101 - 2¹¹ = 628163385053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628163387161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314081693550 + 314081693551.

It is an arithmetic number, because the mean of its divisors is an integer number (314081693551).

Almost surely, 2^628163387101 is an apocalyptic number.

It is an amenable number.

628163387101 is a deficient number, since it is larger than the sum of its proper divisors (1).

628163387101 is an equidigital number, since it uses as much as digits as its factorization.

628163387101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 628163387101 in words is "six hundred twenty-eight billion, one hundred sixty-three million, three hundred eighty-seven thousand, one hundred one".