16515512106 has 32 divisors (see below), whose sum is σ = 33633593280. Its totient is φ = 5404980096.

The previous prime is 16515512081. The next prime is 16515512107. The reversal of 16515512106 is 60121551561.

It is not an unprimeable number, because it can be changed into a prime (16515512107) 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 15 ways as a sum of consecutive naturals, for example, 252870 + ... + 311406.

It is an arithmetic number, because the mean of its divisors is an integer number (1051049790).

Almost surely, 2^16515512106 is an apocalyptic number.

16515512106 is an abundant number, since it is smaller than the sum of its proper divisors (17118081174).

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

16515512106 is a wasteful number, since it uses less digits than its factorization.

16515512106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59398.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 16515512106 in words is "sixteen billion, five hundred fifteen million, five hundred twelve thousand, one hundred six".