163671961210 has 8 divisors (see below), whose sum is σ = 294609530196. Its totient is φ = 65468784480.

The previous prime is 163671961207. The next prime is 163671961213. The reversal of 163671961210 is 12169176361.

163671961210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163671961207) and next prime (163671961213).

It can be written as a sum of positive squares in 2 ways, for example, as 163634003289 + 37957921 = 404517^2 + 6161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (163671961213) by changing a digit.

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, 8183598051 + ... + 8183598070.

Almost surely, 2^163671961210 is an apocalyptic number.

163671961210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163671961210 is a deficient number, since it is larger than the sum of its proper divisors (130937568986).

163671961210 is a wasteful number, since it uses less digits than its factorization.

163671961210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16367196128.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 163671961210 in words is "one hundred sixty-three billion, six hundred seventy-one million, nine hundred sixty-one thousand, two hundred ten".