169196000381 has 2 divisors, whose sum is σ = 169196000382. Its totient is φ = 169196000380.

The previous prime is 169196000377. The next prime is 169196000383. The reversal of 169196000381 is 183000691961.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115555124356 + 53640876025 = 339934^2 + 231605^2 .

It is a cyclic number.

It is not a de Polignac number, because 169196000381 - 2² = 169196000377 is a prime.

It is a super-2 number, since 2×169196000381² (a number of 23 digits) contains 22 as substring.

Together with 169196000383, 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 (169196000383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84598000190 + 84598000191.

It is an arithmetic number, because the mean of its divisors is an integer number (84598000191).

Almost surely, 2^169196000381 is an apocalyptic number.

It is an amenable number.

169196000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

169196000381 is an equidigital number, since it uses as much as digits as its factorization.

169196000381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 169196000381 in words is "one hundred sixty-nine billion, one hundred ninety-six million, three hundred eighty-one", and thus it is an aban number.