16541540268 has 24 divisors (see below), whose sum is σ = 42105739200. Its totient is φ = 5012587920.

The previous prime is 16541540261. The next prime is 16541540291. The reversal of 16541540268 is 86204514561.

It is not an unprimeable number, because it can be changed into a prime (16541540261) 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, 62657218 + ... + 62657481.

It is an arithmetic number, because the mean of its divisors is an integer number (1754405800).

Almost surely, 2^16541540268 is an apocalyptic number.

It is an amenable number.

16541540268 is an abundant number, since it is smaller than the sum of its proper divisors (25564198932).

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

16541540268 is a wasteful number, since it uses less digits than its factorization.

16541540268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125314717 (or 125314715 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 16541540268 in words is "sixteen billion, five hundred forty-one million, five hundred forty thousand, two hundred sixty-eight".