16193168656512 has 64 divisors (see below), whose sum is σ = 45543286864800. Its totient is φ = 5080209772544.

The previous prime is 16193168656481. The next prime is 16193168656541. The reversal of 16193168656512 is 21565686139161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×16193168656512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240279062 + ... + 1240292117.

Almost surely, 2^{16193168656512} is an apocalyptic number.

16193168656512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16193168656512 is an abundant number, since it is smaller than the sum of its proper divisors (29350118208288).

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

16193168656512 is a wasteful number, since it uses less digits than its factorization.

16193168656512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480571213 (or 2480571201 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 60.

The spelling of 16193168656512 in words is "sixteen trillion, one hundred ninety-three billion, one hundred sixty-eight million, six hundred fifty-six thousand, five hundred twelve".