163487395161 has 6 divisors (see below), whose sum is σ = 236148459690. Its totient is φ = 108991596768.

The previous prime is 163487395151. The next prime is 163487395249. The reversal of 163487395161 is 161593784361.

163487395161 is a `hidden beast` number, since 1 + 63 + 487 + 3 + 95 + 16 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136781625600 + 26705769561 = 369840^2 + 163419^2 .

It is not a de Polignac number, because 163487395161 - 2⁵ = 163487395129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163487395098 and 163487395107.

It is not an unprimeable number, because it can be changed into a prime (163487395151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9082633056 + ... + 9082633073.

It is an arithmetic number, because the mean of its divisors is an integer number (39358076615).

Almost surely, 2^163487395161 is an apocalyptic number.

It is an amenable number.

163487395161 is a deficient number, since it is larger than the sum of its proper divisors (72661064529).

163487395161 is a wasteful number, since it uses less digits than its factorization.

163487395161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18165266135 (or 18165266132 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 163487395161 in words is "one hundred sixty-three billion, four hundred eighty-seven million, three hundred ninety-five thousand, one hundred sixty-one".