168357311153 has 4 divisors (see below), whose sum is σ = 168381721200. Its totient is φ = 168332901108.

The previous prime is 168357311149. The next prime is 168357311159. The reversal of 168357311153 is 351113753861.

It is a happy number.

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: 351113753861 = 13 ⋅27008750297.

It is a cyclic number.

It is not a de Polignac number, because 168357311153 - 2² = 168357311149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168357311159) 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, 12194675 + ... + 12208472.

It is an arithmetic number, because the mean of its divisors is an integer number (42095430300).

Almost surely, 2^168357311153 is an apocalyptic number.

It is an amenable number.

168357311153 is a deficient number, since it is larger than the sum of its proper divisors (24410047).

168357311153 is an equidigital number, since it uses as much as digits as its factorization.

168357311153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24410046.

The product of its digits is 226800, while the sum is 44.

The spelling of 168357311153 in words is "one hundred sixty-eight billion, three hundred fifty-seven million, three hundred eleven thousand, one hundred fifty-three".