111606016161 has 8 divisors (see below), whose sum is σ = 150281368704. Its totient is φ = 73667337200.

The previous prime is 111606016157. The next prime is 111606016177. The reversal of 111606016161 is 161610606111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111606016161 - 2² = 111606016157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111606016111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184168041 + ... + 184168646.

It is an arithmetic number, because the mean of its divisors is an integer number (18785171088).

Almost surely, 2^111606016161 is an apocalyptic number.

It is an amenable number.

111606016161 is a deficient number, since it is larger than the sum of its proper divisors (38675352543).

111606016161 is a wasteful number, since it uses less digits than its factorization.

111606016161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368336791.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 111606016161 in words is "one hundred eleven billion, six hundred six million, sixteen thousand, one hundred sixty-one".