167042999 has 2 divisors, whose sum is σ = 167043000. Its totient is φ = 167042998.

The previous prime is 167042989. The next prime is 167043001. The reversal of 167042999 is 999240761.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167042999 is a prime.

Together with 167043001, 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 (167042959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83521499 + 83521500.

It is an arithmetic number, because the mean of its divisors is an integer number (83521500).

Almost surely, 2^167042999 is an apocalyptic number.

167042999 is a deficient number, since it is larger than the sum of its proper divisors (1).

167042999 is an equidigital number, since it uses as much as digits as its factorization.

167042999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 167042999 is about 12924.5115575019. The cubic root of 167042999 is about 550.7351041091.

The spelling of 167042999 in words is "one hundred sixty-seven million, forty-two thousand, nine hundred ninety-nine".