160881979 has 2 divisors, whose sum is σ = 160881980. Its totient is φ = 160881978.

The previous prime is 160881961. The next prime is 160881997. The reversal of 160881979 is 979188061.

Together with next prime (160881997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (160881961) and next prime (160881997).

It is a cyclic number.

It is not a de Polignac number, because 160881979 - 2¹⁷ = 160750907 is a prime.

It is a super-2 number, since 2×160881979² = 51766022333912882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160881179) 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 as a sum of consecutive naturals, namely, 80440989 + 80440990.

It is an arithmetic number, because the mean of its divisors is an integer number (80440990).

Almost surely, 2^160881979 is an apocalyptic number.

160881979 is a deficient number, since it is larger than the sum of its proper divisors (1).

160881979 is an equidigital number, since it uses as much as digits as its factorization.

160881979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 160881979 is about 12683.9260089296. The cubic root of 160881979 is about 543.8792207265.

The spelling of 160881979 in words is "one hundred sixty million, eight hundred eighty-one thousand, nine hundred seventy-nine".