161136063601 has 16 divisors (see below), whose sum is σ = 163994987520. Its totient is φ = 158295582720.

The previous prime is 161136063589. The next prime is 161136063617. The reversal of 161136063601 is 106360631161.

It is not a de Polignac number, because 161136063601 - 2¹¹ = 161136061553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161136063661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47969760 + ... + 47973118.

It is an arithmetic number, because the mean of its divisors is an integer number (10249686720).

Almost surely, 2^161136063601 is an apocalyptic number.

It is an amenable number.

161136063601 is a deficient number, since it is larger than the sum of its proper divisors (2858923919).

161136063601 is a wasteful number, since it uses less digits than its factorization.

161136063601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856.

The product of its (nonzero) digits is 11664, while the sum is 34.

Adding to 161136063601 its reverse (106360631161), we get a palindrome (267496694762).

The spelling of 161136063601 in words is "one hundred sixty-one billion, one hundred thirty-six million, sixty-three thousand, six hundred one".