163711662412 has 12 divisors (see below), whose sum is σ = 286564824280. Its totient is φ = 81835998336.

The previous prime is 163711662407. The next prime is 163711662421. The reversal of 163711662412 is 214266117361.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4939638 + ... + 4972669.

Almost surely, 2^163711662412 is an apocalyptic number.

It is an amenable number.

163711662412 is a deficient number, since it is larger than the sum of its proper divisors (122853161868).

163711662412 is a wasteful number, since it uses less digits than its factorization.

163711662412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916440 (or 9916438 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

Adding to 163711662412 its reverse (214266117361), we get a palindrome (377977779773).

The spelling of 163711662412 in words is "one hundred sixty-three billion, seven hundred eleven million, six hundred sixty-two thousand, four hundred twelve".