16538668014 has 16 divisors (see below), whose sum is σ = 36084366720. Its totient is φ = 5011717560.

The previous prime is 16538668007. The next prime is 16538668021. The reversal of 16538668014 is 41086683561.

It is an interprime number because it is at equal distance from previous prime (16538668007) and next prime (16538668021).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 125292874 + ... + 125293005.

It is an arithmetic number, because the mean of its divisors is an integer number (2255272920).

Almost surely, 2^16538668014 is an apocalyptic number.

16538668014 is an abundant number, since it is smaller than the sum of its proper divisors (19545698706).

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

16538668014 is a wasteful number, since it uses less digits than its factorization.

16538668014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250585895.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 16538668014 in words is "sixteen billion, five hundred thirty-eight million, six hundred sixty-eight thousand, fourteen".