163072907 has 2 divisors, whose sum is σ = 163072908. Its totient is φ = 163072906.

The previous prime is 163072859. The next prime is 163072909. The reversal of 163072907 is 709270361.

163072907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163072907 - 2⁶ = 163072843 is a prime.

Together with 163072909, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (163072909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81536453 + 81536454.

It is an arithmetic number, because the mean of its divisors is an integer number (81536454).

Almost surely, 2^163072907 is an apocalyptic number.

163072907 is a deficient number, since it is larger than the sum of its proper divisors (1).

163072907 is an equidigital number, since it uses as much as digits as its factorization.

163072907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 163072907 is about 12770.0002740799. Note that the first 3 decimals coincide. The cubic root of 163072907 is about 546.3369884524.

The spelling of 163072907 in words is "one hundred sixty-three million, seventy-two thousand, nine hundred seven".