163501250137 has 2 divisors, whose sum is σ = 163501250138. Its totient is φ = 163501250136.

The previous prime is 163501250123. The next prime is 163501250201. The reversal of 163501250137 is 731052105361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146196110736 + 17305139401 = 382356^2 + 131549^2 .

It is a cyclic number.

It is not a de Polignac number, because 163501250137 - 2¹⁹ = 163500725849 is a prime.

It is not a weakly prime, because it can be changed into another prime (163501250117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81750625068 + 81750625069.

It is an arithmetic number, because the mean of its divisors is an integer number (81750625069).

Almost surely, 2^163501250137 is an apocalyptic number.

It is an amenable number.

163501250137 is a deficient number, since it is larger than the sum of its proper divisors (1).

163501250137 is an equidigital number, since it uses as much as digits as its factorization.

163501250137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

Adding to 163501250137 its reverse (731052105361), we get a palindrome (894553355498).

The spelling of 163501250137 in words is "one hundred sixty-three billion, five hundred one million, two hundred fifty thousand, one hundred thirty-seven".