167136805397 has 2 divisors, whose sum is σ = 167136805398. Its totient is φ = 167136805396.

The previous prime is 167136805387. The next prime is 167136805457. The reversal of 167136805397 is 793508631761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96622127281 + 70514678116 = 310841^2 + 265546^2 .

It is a cyclic number.

It is not a de Polignac number, because 167136805397 - 2⁶ = 167136805333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167136805357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83568402698 + 83568402699.

It is an arithmetic number, because the mean of its divisors is an integer number (83568402699).

Almost surely, 2^167136805397 is an apocalyptic number.

It is an amenable number.

167136805397 is a deficient number, since it is larger than the sum of its proper divisors (1).

167136805397 is an equidigital number, since it uses as much as digits as its factorization.

167136805397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 167136805397 in words is "one hundred sixty-seven billion, one hundred thirty-six million, eight hundred five thousand, three hundred ninety-seven".