19688014162 has 4 divisors (see below), whose sum is σ = 29532021246. Its totient is φ = 9844007080.

The previous prime is 19688014153. The next prime is 19688014259. The reversal of 19688014162 is 26141088691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10731095281 + 8956918881 = 103591^2 + 94641^2 .

It is a super-2 number, since 2×19688014162² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4922003539 + ... + 4922003542.

Almost surely, 2^19688014162 is an apocalyptic number.

19688014162 is a deficient number, since it is larger than the sum of its proper divisors (9844007084).

19688014162 is an equidigital number, since it uses as much as digits as its factorization.

19688014162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844007083.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 19688014162 in words is "nineteen billion, six hundred eighty-eight million, fourteen thousand, one hundred sixty-two".