168055435131 has 8 divisors (see below), whose sum is σ = 226910292480. Its totient is φ = 110618767272.

The previous prime is 168055435129. The next prime is 168055435153. The reversal of 168055435131 is 131534550861.

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

It is not a de Polignac number, because 168055435131 - 2¹ = 168055435129 is a prime.

It is a super-2 number, since 2×168055435131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168055435111) 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, 354547095 + ... + 354547568.

It is an arithmetic number, because the mean of its divisors is an integer number (28363786560).

Almost surely, 2^168055435131 is an apocalyptic number.

168055435131 is a deficient number, since it is larger than the sum of its proper divisors (58854857349).

168055435131 is an equidigital number, since it uses as much as digits as its factorization.

168055435131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709094745.

The product of its (nonzero) digits is 216000, while the sum is 42.

Adding to 168055435131 its reverse (131534550861), we get a palindrome (299589985992).

The spelling of 168055435131 in words is "one hundred sixty-eight billion, fifty-five million, four hundred thirty-five thousand, one hundred thirty-one".