16505005542 has 8 divisors (see below), whose sum is σ = 33010011096. Its totient is φ = 5501668512.

The previous prime is 16505005529. The next prime is 16505005603. The reversal of 16505005542 is 24550050561.

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

16505005542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375417123 + ... + 1375417134.

It is an arithmetic number, because the mean of its divisors is an integer number (4126251387).

Almost surely, 2^16505005542 is an apocalyptic number.

16505005542 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.

16505005542 is a wasteful number, since it uses less digits than its factorization.

16505005542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750834262.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 16505005542 in words is "sixteen billion, five hundred five million, five thousand, five hundred forty-two".