19270900168 has 16 divisors (see below), whose sum is σ = 38912394780. Its totient is φ = 8894261568.

The previous prime is 19270900163. The next prime is 19270900199. The reversal of 19270900168 is 86100907291.

It can be written as a sum of positive squares in 2 ways, for example, as 18112314724 + 1158585444 = 134582^2 + 34038^2 .

It is not an unprimeable number, because it can be changed into a prime (19270900163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92648455 + ... + 92648662.

Almost surely, 2^19270900168 is an apocalyptic number.

It is an amenable number.

19270900168 is an abundant number, since it is smaller than the sum of its proper divisors (19641494612).

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

19270900168 is a wasteful number, since it uses less digits than its factorization.

19270900168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185297136 (or 185297132 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 19270900168 in words is "nineteen billion, two hundred seventy million, nine hundred thousand, one hundred sixty-eight".