168729451696 has 40 divisors (see below), whose sum is σ = 356883269120. Its totient is φ = 76808342016.

The previous prime is 168729451661. The next prime is 168729451703. The reversal of 168729451696 is 696154927861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5540976 + ... + 5571343.

It is an arithmetic number, because the mean of its divisors is an integer number (8922081728).

Almost surely, 2^168729451696 is an apocalyptic number.

168729451696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168729451696 is an abundant number, since it is smaller than the sum of its proper divisors (188153817424).

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

168729451696 is a wasteful number, since it uses less digits than its factorization.

168729451696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112413 (or 11112407 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 64.

The spelling of 168729451696 in words is "one hundred sixty-eight billion, seven hundred twenty-nine million, four hundred fifty-one thousand, six hundred ninety-six".