19161284332 has 12 divisors (see below), whose sum is σ = 33533277400. Its totient is φ = 9580347936.

The previous prime is 19161284297. The next prime is 19161284333. The reversal of 19161284332 is 23348216191.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19161284333) 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, 145363 + ... + 243829.

Almost surely, 2^19161284332 is an apocalyptic number.

It is an amenable number.

19161284332 is a deficient number, since it is larger than the sum of its proper divisors (14371993068).

19161284332 is a wasteful number, since it uses less digits than its factorization.

19161284332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147120 (or 147118 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The spelling of 19161284332 in words is "nineteen billion, one hundred sixty-one million, two hundred eighty-four thousand, three hundred thirty-two".