168035672873688 has 32 divisors (see below), whose sum is σ = 420090572690160. Its totient is φ = 56011705557120.

The previous prime is 168035672873681. The next prime is 168035672873801. The reversal of 168035672873688 is 886378276530861.

It is a super-2 number, since 2×168035672873688² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168035672873681) 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, 4086703 + ... + 18782238.

Almost surely, 2^{168035672873688} is an apocalyptic number.

It is an amenable number.

168035672873688 is an abundant number, since it is smaller than the sum of its proper divisors (252054899816472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168035672873688 is a wasteful number, since it uses less digits than its factorization.

168035672873688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23175107 (or 23175103 counting only the distinct ones).

The product of its (nonzero) digits is 3901685760, while the sum is 78.

The spelling of 168035672873688 in words is "one hundred sixty-eight trillion, thirty-five billion, six hundred seventy-two million, eight hundred seventy-three thousand, six hundred eighty-eight".