168601630141 has 4 divisors (see below), whose sum is σ = 192687577312. Its totient is φ = 144515682972.

The previous prime is 168601630123. The next prime is 168601630231. The reversal of 168601630141 is 141036106861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141036106861 = 13 ⋅10848931297.

It is a cyclic number.

It is not a de Polignac number, because 168601630141 - 2¹³ = 168601621949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168601630141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168601636141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12042973575 + ... + 12042973588.

It is an arithmetic number, because the mean of its divisors is an integer number (48171894328).

Almost surely, 2^168601630141 is an apocalyptic number.

It is an amenable number.

168601630141 is a deficient number, since it is larger than the sum of its proper divisors (24085947171).

168601630141 is an equidigital number, since it uses as much as digits as its factorization.

168601630141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24085947170.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 168601630141 in words is "one hundred sixty-eight billion, six hundred one million, six hundred thirty thousand, one hundred forty-one".