161101205060713 has 4 divisors (see below), whose sum is σ = 168105605280768. Its totient is φ = 154096804840660.

The previous prime is 161101205060699. The next prime is 161101205060717. The reversal of 161101205060713 is 317060502101161.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161101205060713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161101205060717) 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, 3502200109993 + ... + 3502200110038.

It is an arithmetic number, because the mean of its divisors is an integer number (42026401320192).

Almost surely, 2^{161101205060713} is an apocalyptic number.

It is an amenable number.

161101205060713 is a deficient number, since it is larger than the sum of its proper divisors (7004400220055).

161101205060713 is an equidigital number, since it uses as much as digits as its factorization.

161101205060713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004400220054.

The product of its (nonzero) digits is 7560, while the sum is 34.

Adding to 161101205060713 its reverse (317060502101161), we get a palindrome (478161707161874).

The spelling of 161101205060713 in words is "one hundred sixty-one trillion, one hundred one billion, two hundred five million, sixty thousand, seven hundred thirteen".