168721608034496 has 28 divisors (see below), whose sum is σ = 365243935576200. Its totient is φ = 76691640015360.

The previous prime is 168721608034487. The next prime is 168721608034663. The reversal of 168721608034496 is 694430806127861.

It is a super-3 number, since 3×168721608034496³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119830686821 + ... + 119830688228.

Almost surely, 2^{168721608034496} is an apocalyptic number.

168721608034496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168721608034496 is an abundant number, since it is smaller than the sum of its proper divisors (196522327541704).

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

168721608034496 is a wasteful number, since it uses less digits than its factorization.

168721608034496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239661375072 (or 239661375062 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 65.

The spelling of 168721608034496 in words is "one hundred sixty-eight trillion, seven hundred twenty-one billion, six hundred eight million, thirty-four thousand, four hundred ninety-six".