16541555315442 has 16 divisors (see below), whose sum is σ = 33481702326240. Its totient is φ = 5447419822592.

The previous prime is 16541555315413. The next prime is 16541555315449. The reversal of 16541555315442 is 24451355514561.

16541555315442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16541555315449) 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, 16607986767 + ... + 16607987762.

It is an arithmetic number, because the mean of its divisors is an integer number (2092606395390).

Almost surely, 2^{16541555315442} is an apocalyptic number.

16541555315442 is an abundant number, since it is smaller than the sum of its proper divisors (16940147010798).

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

16541555315442 is a wasteful number, since it uses less digits than its factorization.

16541555315442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33215974617.

The product of its digits is 7200000, while the sum is 51.

The spelling of 16541555315442 in words is "sixteen trillion, five hundred forty-one billion, five hundred fifty-five million, three hundred fifteen thousand, four hundred forty-two".