160379891 has 6 divisors (see below), whose sum is σ = 186564420. Its totient is φ = 137468436.

The previous prime is 160379881. The next prime is 160379899. The reversal of 160379891 is 198973061.

It is a de Polignac number, because none of the positive numbers 2^k-160379891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160379899) 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, 1636481 + ... + 1636578.

It is an arithmetic number, because the mean of its divisors is an integer number (31094070).

Almost surely, 2^160379891 is an apocalyptic number.

160379891 is a deficient number, since it is larger than the sum of its proper divisors (26184529).

160379891 is an equidigital number, since it uses as much as digits as its factorization.

160379891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273073 (or 3273066 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 160379891 is about 12664.1182480266. The cubic root of 160379891 is about 543.3128432268.

The spelling of 160379891 in words is "one hundred sixty million, three hundred seventy-nine thousand, eight hundred ninety-one".