163316666612 has 24 divisors (see below), whose sum is σ = 319390912512. Its totient is φ = 72424241600.

The previous prime is 163316666581. The next prime is 163316666647. The reversal of 163316666612 is 216666613361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45263348 + ... + 45266955.

It is an arithmetic number, because the mean of its divisors is an integer number (13307954688).

Almost surely, 2^163316666612 is an apocalyptic number.

It is an amenable number.

163316666612 is a deficient number, since it is larger than the sum of its proper divisors (156074245900).

163316666612 is a wasteful number, since it uses less digits than its factorization.

163316666612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90530359 (or 90530357 counting only the distinct ones).

The product of its digits is 839808, while the sum is 47.

It can be divided in two parts, 163316 and 666612, that added together give a palindrome (829928).

The spelling of 163316666612 in words is "one hundred sixty-three billion, three hundred sixteen million, six hundred sixty-six thousand, six hundred twelve".