163950967 has 2 divisors, whose sum is σ = 163950968. Its totient is φ = 163950966.

The previous prime is 163950953. The next prime is 163950973. The reversal of 163950967 is 769059361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163950967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163950937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81975483 + 81975484.

It is an arithmetic number, because the mean of its divisors is an integer number (81975484).

Almost surely, 2^163950967 is an apocalyptic number.

163950967 is a deficient number, since it is larger than the sum of its proper divisors (1).

163950967 is an equidigital number, since it uses as much as digits as its factorization.

163950967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 163950967 is about 12804.3339147337. Note that the first 3 decimals coincide. The cubic root of 163950967 is about 547.3158108000.

The spelling of 163950967 in words is "one hundred sixty-three million, nine hundred fifty thousand, nine hundred sixty-seven".