16304542506 has 96 divisors (see below), whose sum is σ = 40948277760. Its totient is φ = 4592270592.

The previous prime is 16304542489. The next prime is 16304542511. The reversal of 16304542506 is 60524540361.

16304542506 is a `hidden beast` number, since 1 + 63 + 0 + 4 + 542 + 50 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11874436 + ... + 11875808.

It is an arithmetic number, because the mean of its divisors is an integer number (426544560).

Almost surely, 2^16304542506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16304542506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20474138880).

16304542506 is an abundant number, since it is smaller than the sum of its proper divisors (24643735254).

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

16304542506 is a wasteful number, since it uses less digits than its factorization.

16304542506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 16304542506 in words is "sixteen billion, three hundred four million, five hundred forty-two thousand, five hundred six".