16545122636042 has 32 divisors (see below), whose sum is σ = 33321645592704. Its totient is φ = 5950293854400.

The previous prime is 16545122636041. The next prime is 16545122636057. The reversal of 16545122636042 is 24063622154561.

It is not an unprimeable number, because it can be changed into a prime (16545122636041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4132146509 + ... + 4132150512.

It is an arithmetic number, because the mean of its divisors is an integer number (1041301424772).

Almost surely, 2^{16545122636042} is an apocalyptic number.

16545122636042 is an abundant number, since it is smaller than the sum of its proper divisors (16776522956662).

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

16545122636042 is a wasteful number, since it uses less digits than its factorization.

16545122636042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264297054.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 16545122636042 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, six hundred thirty-six thousand, forty-two".