16432432003404 has 18 divisors (see below), whose sum is σ = 41537536453140. Its totient is φ = 5477477334456.

The previous prime is 16432432003333. The next prime is 16432432003489. The reversal of 16432432003404 is 40430023423461.

16432432003404 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 2 + 43 + 200 + 3 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 456456444539 = 16432432003404 / (1 + 6 + 4 + 3 + 2 + 4 + 3 + 2 + 0 + 0 + 3 + 4 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228228222234 + ... + 228228222305.

Almost surely, 2^{16432432003404} is an apocalyptic number.

It is an amenable number.

16432432003404 is an abundant number, since it is smaller than the sum of its proper divisors (25105104449736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16432432003404 is a wasteful number, since it uses less digits than its factorization.

16432432003404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456456444549 (or 456456444544 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 16432432003404 its reverse (40430023423461), we get a palindrome (56862455426865).

The spelling of 16432432003404 in words is "sixteen trillion, four hundred thirty-two billion, four hundred thirty-two million, three thousand, four hundred four".