16545373421574 has 16 divisors (see below), whose sum is σ = 33113935891008. Its totient is φ = 5511259632552.

The previous prime is 16545373421567. The next prime is 16545373421579. The reversal of 16545373421574 is 47512437354561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545373421579) 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, 966201052 + ... + 966218175.

It is an arithmetic number, because the mean of its divisors is an integer number (2069620993188).

Almost surely, 2^{16545373421574} is an apocalyptic number.

16545373421574 is an abundant number, since it is smaller than the sum of its proper divisors (16568562469434).

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

16545373421574 is a wasteful number, since it uses less digits than its factorization.

16545373421574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932420659.

The product of its digits is 42336000, while the sum is 57.

The spelling of 16545373421574 in words is "sixteen trillion, five hundred forty-five billion, three hundred seventy-three million, four hundred twenty-one thousand, five hundred seventy-four".