168007020175137 has 32 divisors (see below), whose sum is σ = 263184498017280. Its totient is φ = 93985419136320.

The previous prime is 168007020175123. The next prime is 168007020175147. The reversal of 168007020175137 is 731571020700861.

168007020175137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168007020175137 - 2¹⁵ = 168007020142369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168007020175147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484687 + ... + 18337092.

It is an arithmetic number, because the mean of its divisors is an integer number (8224515563040).

Almost surely, 2^{168007020175137} is an apocalyptic number.

It is an amenable number.

168007020175137 is a deficient number, since it is larger than the sum of its proper divisors (95177477842143).

168007020175137 is a wasteful number, since it uses less digits than its factorization.

168007020175137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18842613.

The product of its (nonzero) digits is 493920, while the sum is 48.

Adding to 168007020175137 its reverse (731571020700861), we get a palindrome (899578040875998).

The spelling of 168007020175137 in words is "one hundred sixty-eight trillion, seven billion, twenty million, one hundred seventy-five thousand, one hundred thirty-seven".