16768663153908 has 96 divisors (see below), whose sum is σ = 41330893148160. Its totient is φ = 5283120568320.

The previous prime is 16768663153889. The next prime is 16768663153909. The reversal of 16768663153908 is 80935136686761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16768663153909) 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, 454059988 + ... + 454096916.

It is an arithmetic number, because the mean of its divisors is an integer number (430530136960).

Almost surely, 2^{16768663153908} is an apocalyptic number.

It is an amenable number.

16768663153908 is an abundant number, since it is smaller than the sum of its proper divisors (24562229994252).

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

16768663153908 is a wasteful number, since it uses less digits than its factorization.

16768663153908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65397 (or 65395 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 69.

The spelling of 16768663153908 in words is "sixteen trillion, seven hundred sixty-eight billion, six hundred sixty-three million, one hundred fifty-three thousand, nine hundred eight".