161063632713 has 4 divisors (see below), whose sum is σ = 214751510288. Its totient is φ = 107375755140.

The previous prime is 161063632679. The next prime is 161063632721. The reversal of 161063632713 is 317236360161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 161063632713 - 2⁹ = 161063632201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161063632753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26843938783 + ... + 26843938788.

It is an arithmetic number, because the mean of its divisors is an integer number (53687877572).

Almost surely, 2^161063632713 is an apocalyptic number.

It is an amenable number.

161063632713 is a deficient number, since it is larger than the sum of its proper divisors (53687877575).

161063632713 is an equidigital number, since it uses as much as digits as its factorization.

161063632713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53687877574.

The product of its (nonzero) digits is 81648, while the sum is 39.

Adding to 161063632713 its reverse (317236360161), we get a palindrome (478299992874).

The spelling of 161063632713 in words is "one hundred sixty-one billion, sixty-three million, six hundred thirty-two thousand, seven hundred thirteen".