19766134168 has 16 divisors (see below), whose sum is σ = 40430729160. Its totient is φ = 8984606400.

The previous prime is 19766134111. The next prime is 19766134189. The reversal of 19766134168 is 86143166791.

It is a congruent number.

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, 112307493 + ... + 112307668.

Almost surely, 2^19766134168 is an apocalyptic number.

It is an amenable number.

19766134168 is an abundant number, since it is smaller than the sum of its proper divisors (20664594992).

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

19766134168 is a wasteful number, since it uses less digits than its factorization.

19766134168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224615178 (or 224615174 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 19766134168 in words is "nineteen billion, seven hundred sixty-six million, one hundred thirty-four thousand, one hundred sixty-eight".