16545054172012 has 12 divisors (see below), whose sum is σ = 28968128902440. Its totient is φ = 8268445914176.

The previous prime is 16545054172007. The next prime is 16545054172021. The reversal of 16545054172012 is 21027145054561.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16545054172012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020283837 + ... + 1020300052.

It is an arithmetic number, because the mean of its divisors is an integer number (2414010741870).

Almost surely, 2^{16545054172012} is an apocalyptic number.

It is an amenable number.

16545054172012 is a deficient number, since it is larger than the sum of its proper divisors (12423074730428).

16545054172012 is a wasteful number, since it uses less digits than its factorization.

16545054172012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040585920 (or 2040585918 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 16545054172012 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, one hundred seventy-two thousand, twelve".