16042432806 has 96 divisors (see below), whose sum is σ = 38596914720. Its totient is φ = 4976142336.

The previous prime is 16042432759. The next prime is 16042432837. The reversal of 16042432806 is 60823424061.

16042432806 is a `hidden beast` number, since 1 + 604 + 2 + 43 + 2 + 8 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 724410 + ... + 746226.

It is an arithmetic number, because the mean of its divisors is an integer number (402051195).

Almost surely, 2^16042432806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16042432806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19298457360).

16042432806 is an abundant number, since it is smaller than the sum of its proper divisors (22554481914).

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

16042432806 is a wasteful number, since it uses less digits than its factorization.

16042432806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21940 (or 21928 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 16042432806 its reverse (60823424061), we get a palindrome (76865856867).

The spelling of 16042432806 in words is "sixteen billion, forty-two million, four hundred thirty-two thousand, eight hundred six".