161069267 has 2 divisors, whose sum is σ = 161069268. Its totient is φ = 161069266.

The previous prime is 161069231. The next prime is 161069281. The reversal of 161069267 is 762960161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161069267 - 2⁸ = 161069011 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161069267.

It is not a weakly prime, because it can be changed into another prime (161063267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80534633 + 80534634.

It is an arithmetic number, because the mean of its divisors is an integer number (80534634).

Almost surely, 2^161069267 is an apocalyptic number.

161069267 is a deficient number, since it is larger than the sum of its proper divisors (1).

161069267 is an equidigital number, since it uses as much as digits as its factorization.

161069267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 161069267 is about 12691.3067491098. The cubic root of 161069267 is about 544.0901881091.

The spelling of 161069267 in words is "one hundred sixty-one million, sixty-nine thousand, two hundred sixty-seven".