16545724057475 has 24 divisors (see below), whose sum is σ = 20667690516480. Its totient is φ = 13139195865120.

The previous prime is 16545724057399. The next prime is 16545724057477. The reversal of 16545724057475 is 57475042754561.

It is not a de Polignac number, because 16545724057475 - 2¹⁰ = 16545724056451 is a prime.

It is a super-2 number, since 2×16545724057475² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16545724057477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20959382 + ... + 21734468.

It is an arithmetic number, because the mean of its divisors is an integer number (861153771520).

Almost surely, 2^{16545724057475} is an apocalyptic number.

16545724057475 is a deficient number, since it is larger than the sum of its proper divisors (4121966459005).

16545724057475 is a wasteful number, since it uses less digits than its factorization.

16545724057475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781379 (or 781374 counting only the distinct ones).

The product of its (nonzero) digits is 164640000, while the sum is 62.

The spelling of 16545724057475 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty-four million, fifty-seven thousand, four hundred seventy-five".