163212543666346 has 8 divisors (see below), whose sum is σ = 248172497903844. Its totient is φ = 80488377698400.

The previous prime is 163212543666331. The next prime is 163212543666371. The reversal of 163212543666346 is 643666345212361.

It can be written as a sum of positive squares in 2 ways, for example, as 137729118998025 + 25483424668321 = 11735805^2 + 5048111^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558947067205 + ... + 558947067496.

Almost surely, 2^{163212543666346} is an apocalyptic number.

163212543666346 is a deficient number, since it is larger than the sum of its proper divisors (84959954237498).

163212543666346 is a wasteful number, since it uses less digits than its factorization.

163212543666346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117894134776.

The product of its digits is 67184640, while the sum is 58.

The spelling of 163212543666346 in words is "one hundred sixty-three trillion, two hundred twelve billion, five hundred forty-three million, six hundred sixty-six thousand, three hundred forty-six".