168512295134 has 4 divisors (see below), whose sum is σ = 252768442704. Its totient is φ = 84256147566.

The previous prime is 168512295109. The next prime is 168512295163. The reversal of 168512295134 is 431592215861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431592215861 = 5189 ⋅83174449.

It is a super-2 number, since 2×168512295134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42128073782 + ... + 42128073785.

It is an arithmetic number, because the mean of its divisors is an integer number (63192110676).

Almost surely, 2^168512295134 is an apocalyptic number.

168512295134 is a deficient number, since it is larger than the sum of its proper divisors (84256147570).

168512295134 is an equidigital number, since it uses as much as digits as its factorization.

168512295134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84256147569.

The product of its digits is 518400, while the sum is 47.

The spelling of 168512295134 in words is "one hundred sixty-eight billion, five hundred twelve million, two hundred ninety-five thousand, one hundred thirty-four".