167742371 has 2 divisors, whose sum is σ = 167742372. Its totient is φ = 167742370.

The previous prime is 167742361. The next prime is 167742373. The reversal of 167742371 is 173247761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 167742371 - 2¹⁰ = 167741347 is a prime.

Together with 167742373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167742373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83871185 + 83871186.

It is an arithmetic number, because the mean of its divisors is an integer number (83871186).

Almost surely, 2^167742371 is an apocalyptic number.

167742371 is a deficient number, since it is larger than the sum of its proper divisors (1).

167742371 is an equidigital number, since it uses as much as digits as its factorization.

167742371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 38.

The square root of 167742371 is about 12951.5393293616. The cubic root of 167742371 is about 551.5026358658.

The spelling of 167742371 in words is "one hundred sixty-seven million, seven hundred forty-two thousand, three hundred seventy-one".