160111661 has 8 divisors (see below), whose sum is σ = 173473344. Its totient is φ = 147188160.

The previous prime is 160111643. The next prime is 160111667. The reversal of 160111661 is 166111061.

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 160111661 - 2¹⁴ = 160095277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160111667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108785 + ... + 110246.

It is an arithmetic number, because the mean of its divisors is an integer number (21684168).

Almost surely, 2^160111661 is an apocalyptic number.

It is an amenable number.

160111661 is a deficient number, since it is larger than the sum of its proper divisors (13361683).

160111661 is a wasteful number, since it uses less digits than its factorization.

160111661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219091.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 160111661 is about 12653.5236594397. The cubic root of 160111661 is about 543.0097833626.

The spelling of 160111661 in words is "one hundred sixty million, one hundred eleven thousand, six hundred sixty-one".