16545727373744 has 40 divisors (see below), whose sum is σ = 33415161071088. Its totient is φ = 7929134357760.

The previous prime is 16545727373741. The next prime is 16545727373767. The reversal of 16545727373744 is 44737372754561.

It is a super-2 number, since 2×16545727373744² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16545727373741) 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, 208533947 + ... + 208613274.

Almost surely, 2^{16545727373744} is an apocalyptic number.

It is an amenable number.

16545727373744 is an abundant number, since it is smaller than the sum of its proper divisors (16869433697344).

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

16545727373744 is a wasteful number, since it uses less digits than its factorization.

16545727373744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417147333 (or 417147327 counting only the distinct ones).

The product of its digits is 414892800, while the sum is 65.

The spelling of 16545727373744 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty-seven million, three hundred seventy-three thousand, seven hundred forty-four".