19896932163 has 6 divisors (see below), whose sum is σ = 26529568644. Its totient is φ = 13264458564.

The previous prime is 19896932131. The next prime is 19896932173. The reversal of 19896932163 is 36123969891.

It is not a de Polignac number, because 19896932163 - 2⁵ = 19896932131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19896932173) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 203598 + ... + 285036.

It is an arithmetic number, because the mean of its divisors is an integer number (4421594774).

Almost surely, 2^19896932163 is an apocalyptic number.

19896932163 is a deficient number, since it is larger than the sum of its proper divisors (6632636481).

19896932163 is an frugal number, since it uses more digits than its factorization.

19896932163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162881 (or 81442 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

It can be divided in two parts, 198969 and 32163, that added together give a palindrome (231132).

The spelling of 19896932163 in words is "nineteen billion, eight hundred ninety-six million, nine hundred thirty-two thousand, one hundred sixty-three".