163968706 has 16 divisors (see below), whose sum is σ = 284096160. Its totient is φ = 70146880.

The previous prime is 163968677. The next prime is 163968713. The reversal of 163968706 is 607869361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218836 + ... + 219583.

It is an arithmetic number, because the mean of its divisors is an integer number (17756010).

Almost surely, 2^163968706 is an apocalyptic number.

163968706 is a deficient number, since it is larger than the sum of its proper divisors (120127454).

163968706 is a wasteful number, since it uses less digits than its factorization.

163968706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438449.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 163968706 is about 12805.0265911477. The cubic root of 163968706 is about 547.3355493946.

It can be divided in two parts, 163 and 968706, that added together give a palindrome (968869).

The spelling of 163968706 in words is "one hundred sixty-three million, nine hundred sixty-eight thousand, seven hundred six".