16505505065006 has 16 divisors (see below), whose sum is σ = 25165332814128. Its totient is φ = 8117073720000.

The previous prime is 16505505065003. The next prime is 16505505065011. The reversal of 16505505065006 is 60056050550561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16505505065003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658940 + ... + 5783183.

It is an arithmetic number, because the mean of its divisors is an integer number (1572833300883).

Almost surely, 2^{16505505065006} is an apocalyptic number.

16505505065006 is a deficient number, since it is larger than the sum of its proper divisors (8659827749122).

16505505065006 is a wasteful number, since it uses less digits than its factorization.

16505505065006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463187.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 16505505065006 in words is "sixteen trillion, five hundred five billion, five hundred five million, sixty-five thousand, six".