16545205174445 has 32 divisors (see below), whose sum is σ = 21148405530624. Its totient is φ = 12399693768000.

The previous prime is 16545205174439. The next prime is 16545205174447. The reversal of 16545205174445 is 54447150254561.

It is not a de Polignac number, because 16545205174445 - 2⁸ = 16545205174189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545205174447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5476877 + ... + 7942706.

It is an arithmetic number, because the mean of its divisors is an integer number (660887672832).

Almost surely, 2^{16545205174445} is an apocalyptic number.

It is an amenable number.

16545205174445 is a deficient number, since it is larger than the sum of its proper divisors (4603200356179).

16545205174445 is a wasteful number, since it uses less digits than its factorization.

16545205174445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13419833.

The product of its (nonzero) digits is 13440000, while the sum is 53.

The spelling of 16545205174445 in words is "sixteen trillion, five hundred forty-five billion, two hundred five million, one hundred seventy-four thousand, four hundred forty-five".