16545171601413 has 72 divisors (see below), whose sum is σ = 30263049191232. Its totient is φ = 8524166886144.

The previous prime is 16545171601397. The next prime is 16545171601471. The reversal of 16545171601413 is 31410617154561.

16545171601413 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 5 + 171 + 60 + 1 + 413 = 666.

It is not a de Polignac number, because 16545171601413 - 2⁴ = 16545171601397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545171601913) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 17611656 + ... + 18527297.

It is an arithmetic number, because the mean of its divisors is an integer number (420320127656).

Almost surely, 2^{16545171601413} is an apocalyptic number.

16545171601413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16545171601413 is a deficient number, since it is larger than the sum of its proper divisors (13717877589819).

16545171601413 is a wasteful number, since it uses less digits than its factorization.

16545171601413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36139035 (or 36139019 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

Adding to 16545171601413 its reverse (31410617154561), we get a palindrome (47955788755974).

The spelling of 16545171601413 in words is "sixteen trillion, five hundred forty-five billion, one hundred seventy-one million, six hundred one thousand, four hundred thirteen".