167679971 has 2 divisors, whose sum is σ = 167679972. Its totient is φ = 167679970.

The previous prime is 167679929. The next prime is 167679977. The reversal of 167679971 is 179976761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167679971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167679977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83839985 + 83839986.

It is an arithmetic number, because the mean of its divisors is an integer number (83839986).

Almost surely, 2^167679971 is an apocalyptic number.

167679971 is a deficient number, since it is larger than the sum of its proper divisors (1).

167679971 is an equidigital number, since it uses as much as digits as its factorization.

167679971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 53.

The square root of 167679971 is about 12949.1301252246. The cubic root of 167679971 is about 551.4342412349.

The spelling of 167679971 in words is "one hundred sixty-seven million, six hundred seventy-nine thousand, nine hundred seventy-one".