161267107 has 2 divisors, whose sum is σ = 161267108. Its totient is φ = 161267106.

The previous prime is 161267069. The next prime is 161267123. The reversal of 161267107 is 701762161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161267107 - 2¹¹ = 161265059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161267207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80633553 + 80633554.

It is an arithmetic number, because the mean of its divisors is an integer number (80633554).

Almost surely, 2^161267107 is an apocalyptic number.

161267107 is a deficient number, since it is larger than the sum of its proper divisors (1).

161267107 is an equidigital number, since it uses as much as digits as its factorization.

161267107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 161267107 is about 12699.0986688032. The cubic root of 161267107 is about 544.3128640684.

The spelling of 161267107 in words is "one hundred sixty-one million, two hundred sixty-seven thousand, one hundred seven".