16291432203 has 8 divisors (see below), whose sum is σ = 21722769216. Its totient is φ = 10860525000.

The previous prime is 16291432177. The next prime is 16291432211. The reversal of 16291432203 is 30223419261.

16291432203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16291432203 - 2¹⁰ = 16291431179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16291532203) 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 7 ways as a sum of consecutive naturals, for example, 5073 + ... + 180578.

It is an arithmetic number, because the mean of its divisors is an integer number (2715346152).

Almost surely, 2^16291432203 is an apocalyptic number.

16291432203 is a deficient number, since it is larger than the sum of its proper divisors (5431337013).

16291432203 is a wasteful number, since it uses less digits than its factorization.

16291432203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214905.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 16291432203 in words is "sixteen billion, two hundred ninety-one million, four hundred thirty-two thousand, two hundred three".