16903433842 has 8 divisors (see below), whose sum is σ = 25833549996. Its totient is φ = 8292250512.

The previous prime is 16903433837. The next prime is 16903433849. The reversal of 16903433842 is 24833430961.

It can be written as a sum of positive squares in 2 ways, for example, as 15667278561 + 1236155281 = 125169^2 + 35159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16903433849) 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, 79733073 + ... + 79733284.

Almost surely, 2^16903433842 is an apocalyptic number.

16903433842 is a deficient number, since it is larger than the sum of its proper divisors (8930116154).

16903433842 is a wasteful number, since it uses less digits than its factorization.

16903433842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159466412.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 16903433842 in words is "sixteen billion, nine hundred three million, four hundred thirty-three thousand, eight hundred forty-two".