163534107157 has 2 divisors, whose sum is σ = 163534107158. Its totient is φ = 163534107156.

The previous prime is 163534107043. The next prime is 163534107197. The reversal of 163534107157 is 751701435361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151756214481 + 11777892676 = 389559^2 + 108526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163534107157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163534107197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81767053578 + 81767053579.

It is an arithmetic number, because the mean of its divisors is an integer number (81767053579).

Almost surely, 2^163534107157 is an apocalyptic number.

It is an amenable number.

163534107157 is a deficient number, since it is larger than the sum of its proper divisors (1).

163534107157 is an equidigital number, since it uses as much as digits as its factorization.

163534107157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 163534107157 in words is "one hundred sixty-three billion, five hundred thirty-four million, one hundred seven thousand, one hundred fifty-seven".