167992386349 has 2 divisors, whose sum is σ = 167992386350. Its totient is φ = 167992386348.

The previous prime is 167992386319. The next prime is 167992386437. The reversal of 167992386349 is 943683299761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159486013449 + 8506372900 = 399357^2 + 92230^2 .

It is an emirp because it is prime and its reverse (943683299761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167992386349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167992386319) 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, 83996193174 + 83996193175.

It is an arithmetic number, because the mean of its divisors is an integer number (83996193175).

Almost surely, 2^167992386349 is an apocalyptic number.

It is an amenable number.

167992386349 is a deficient number, since it is larger than the sum of its proper divisors (1).

167992386349 is an equidigital number, since it uses as much as digits as its factorization.

167992386349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105815808, while the sum is 67.

The spelling of 167992386349 in words is "one hundred sixty-seven billion, nine hundred ninety-two million, three hundred eighty-six thousand, three hundred forty-nine".