160981967 has 2 divisors, whose sum is σ = 160981968. Its totient is φ = 160981966.

The previous prime is 160981907. The next prime is 160981969. The reversal of 160981967 is 769189061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 160981967 - 2²⁴ = 144204751 is a prime.

Together with 160981969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160981969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80490983 + 80490984.

It is an arithmetic number, because the mean of its divisors is an integer number (80490984).

Almost surely, 2^160981967 is an apocalyptic number.

160981967 is a deficient number, since it is larger than the sum of its proper divisors (1).

160981967 is an equidigital number, since it uses as much as digits as its factorization.

160981967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 160981967 is about 12687.8669208027. The cubic root of 160981967 is about 543.9918708686.

The spelling of 160981967 in words is "one hundred sixty million, nine hundred eighty-one thousand, nine hundred sixty-seven".