12163973361 has 8 divisors (see below), whose sum is σ = 16923789120. Its totient is φ = 7756736592.

The previous prime is 12163973359. The next prime is 12163973377. The reversal of 12163973361 is 16337936121.

It is a happy number.

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

It is not a de Polignac number, because 12163973361 - 2¹ = 12163973359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12163273361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88144666 + ... + 88144803.

It is an arithmetic number, because the mean of its divisors is an integer number (2115473640).

Almost surely, 2^12163973361 is an apocalyptic number.

It is an amenable number.

12163973361 is a deficient number, since it is larger than the sum of its proper divisors (4759815759).

12163973361 is a wasteful number, since it uses less digits than its factorization.

12163973361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176289495.

The product of its digits is 122472, while the sum is 42.

It can be divided in two parts, 121639 and 73361, that added together give a triangular number (195000 = T₆₂₄).

The spelling of 12163973361 in words is "twelve billion, one hundred sixty-three million, nine hundred seventy-three thousand, three hundred sixty-one".