168601630142 has 24 divisors (see below), whose sum is σ = 279091284696. Its totient is φ = 76331750000.

The previous prime is 168601630123. The next prime is 168601630231. The reversal of 168601630142 is 241036106861.

It is a junction number, because it is equal to n+sod(n) for n = 168601630096 and 168601630105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1327109 + ... + 1448592.

It is an arithmetic number, because the mean of its divisors is an integer number (11628803529).

Almost surely, 2^168601630142 is an apocalyptic number.

168601630142 is a deficient number, since it is larger than the sum of its proper divisors (110489654554).

168601630142 is a wasteful number, since it uses less digits than its factorization.

168601630142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775976 (or 2775965 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 168601630142 in words is "one hundred sixty-eight billion, six hundred one million, six hundred thirty thousand, one hundred forty-two".