161060606011 has 4 divisors (see below), whose sum is σ = 161734500000. Its totient is φ = 160386712024.

The previous prime is 161060606009. The next prime is 161060606033. The reversal of 161060606011 is 110606060161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161060606011 - 2¹ = 161060606009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161060606041) 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, 336946636 + ... + 336947113.

It is an arithmetic number, because the mean of its divisors is an integer number (40433625000).

Almost surely, 2^161060606011 is an apocalyptic number.

161060606011 is a deficient number, since it is larger than the sum of its proper divisors (673893989).

161060606011 is an equidigital number, since it uses as much as digits as its factorization.

161060606011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673893988.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 161060606011 its reverse (110606060161), we get a palindrome (271666666172).

The spelling of 161060606011 in words is "one hundred sixty-one billion, sixty million, six hundred six thousand, eleven".