15601150161 has 6 divisors (see below), whose sum is σ = 22534994690. Its totient is φ = 10400766768.

The previous prime is 15601150157. The next prime is 15601150193. The reversal of 15601150161 is 16105110651.

15601150161 is a `hidden beast` number, since 1 + 5 + 601 + 1 + 50 + 1 + 6 + 1 = 666.

15601150161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12082406400 + 3518743761 = 109920^2 + 59319^2 .

It is not a de Polignac number, because 15601150161 - 2² = 15601150157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15601150141) 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 5 ways as a sum of consecutive naturals, for example, 866730556 + ... + 866730573.

Almost surely, 2^15601150161 is an apocalyptic number.

It is an amenable number.

15601150161 is a deficient number, since it is larger than the sum of its proper divisors (6933844529).

15601150161 is a wasteful number, since it uses less digits than its factorization.

15601150161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733461135 (or 1733461132 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 15601150161 in words is "fifteen billion, six hundred one million, one hundred fifty thousand, one hundred sixty-one".