16515338168 has 16 divisors (see below), whose sum is σ = 35390010480. Its totient is φ = 7078002048.

The previous prime is 16515338129. The next prime is 16515338171. The reversal of 16515338168 is 86183351561.

16515338168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147458321 + ... + 147458432.

It is an arithmetic number, because the mean of its divisors is an integer number (2211875655).

Almost surely, 2^16515338168 is an apocalyptic number.

It is an amenable number.

16515338168 is an abundant number, since it is smaller than the sum of its proper divisors (18874672312).

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

16515338168 is a wasteful number, since it uses less digits than its factorization.

16515338168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294916766 (or 294916762 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The spelling of 16515338168 in words is "sixteen billion, five hundred fifteen million, three hundred thirty-eight thousand, one hundred sixty-eight".