163197201699218 has 8 divisors (see below), whose sum is σ = 257679792156720. Its totient is φ = 77303937646980.

The previous prime is 163197201699193. The next prime is 163197201699227. The reversal of 163197201699218 is 812996102791361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147331601268 + ... + 2147331601343.

It is an arithmetic number, because the mean of its divisors is an integer number (32209974019590).

Almost surely, 2^{163197201699218} is an apocalyptic number.

163197201699218 is a deficient number, since it is larger than the sum of its proper divisors (94482590457502).

163197201699218 is a wasteful number, since it uses less digits than its factorization.

163197201699218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294663202632.

The product of its (nonzero) digits is 17635968, while the sum is 65.

The spelling of 163197201699218 in words is "one hundred sixty-three trillion, one hundred ninety-seven billion, two hundred one million, six hundred ninety-nine thousand, two hundred eighteen".