161107907 has 2 divisors, whose sum is σ = 161107908. Its totient is φ = 161107906.

The previous prime is 161107883. The next prime is 161107913. The reversal of 161107907 is 709701161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161107907 - 2¹⁴ = 161091523 is a prime.

It is a super-3 number, since 3×161107907³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161107957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80553953 + 80553954.

It is an arithmetic number, because the mean of its divisors is an integer number (80553954).

Almost surely, 2^161107907 is an apocalyptic number.

161107907 is a deficient number, since it is larger than the sum of its proper divisors (1).

161107907 is an equidigital number, since it uses as much as digits as its factorization.

161107907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 161107907 is about 12692.8289596922. The cubic root of 161107907 is about 544.1336931268.

The spelling of 161107907 in words is "one hundred sixty-one million, one hundred seven thousand, nine hundred seven".