16513357356157 has 2 divisors, whose sum is σ = 16513357356158. Its totient is φ = 16513357356156.

The previous prime is 16513357356121. The next prime is 16513357356161. The reversal of 16513357356157 is 75165375331561.

16513357356157 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., 15188082101721 + 1325275254436 = 3897189^2 + 1151206^2 .

It is a cyclic number.

It is not a de Polignac number, because 16513357356157 - 2⁷ = 16513357356029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16513357356857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8256678678078 + 8256678678079.

It is an arithmetic number, because the mean of its divisors is an integer number (8256678678079).

Almost surely, 2^{16513357356157} is an apocalyptic number.

It is an amenable number.

16513357356157 is a deficient number, since it is larger than the sum of its proper divisors (1).

16513357356157 is an equidigital number, since it uses as much as digits as its factorization.

16513357356157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29767500, while the sum is 58.

The spelling of 16513357356157 in words is "sixteen trillion, five hundred thirteen billion, three hundred fifty-seven million, three hundred fifty-six thousand, one hundred fifty-seven".