160991149 has 8 divisors (see below), whose sum is σ = 176329440. Its totient is φ = 145770000.

The previous prime is 160991141. The next prime is 160991167. The reversal of 160991149 is 941199061.

160991149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 160991149 - 2³ = 160991141 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 (160991141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26394 + ... + 31915.

It is an arithmetic number, because the mean of its divisors is an integer number (22041180).

Almost surely, 2^160991149 is an apocalyptic number.

It is an amenable number.

160991149 is a deficient number, since it is larger than the sum of its proper divisors (15338291).

160991149 is a wasteful number, since it uses less digits than its factorization.

160991149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58571.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 160991149 is about 12688.2287573956. The cubic root of 160991149 is about 544.0022133074.

The spelling of 160991149 in words is "one hundred sixty million, nine hundred ninety-one thousand, one hundred forty-nine".