16004542506 has 8 divisors (see below), whose sum is σ = 32009085024. Its totient is φ = 5334847500.

The previous prime is 16004542501. The next prime is 16004542529. The reversal of 16004542506 is 60524540061.

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

16004542506 is an admirable number.

It is a super-2 number, since 2×16004542506² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16004542501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1333711870 + ... + 1333711881.

It is an arithmetic number, because the mean of its divisors is an integer number (4001135628).

Almost surely, 2^16004542506 is an apocalyptic number.

16004542506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16004542506 is a wasteful number, since it uses less digits than its factorization.

16004542506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667423756.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 16004542506 in words is "sixteen billion, four million, five hundred forty-two thousand, five hundred six".