16545766353636 has 96 divisors (see below), whose sum is σ = 41708850050560. Its totient is φ = 5074817619456.

The previous prime is 16545766353629. The next prime is 16545766353667. The reversal of 16545766353636 is 63635366754561.

It is a super-2 number, since 2×16545766353636² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117993381 + ... + 118133523.

Almost surely, 2^{16545766353636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16545766353636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20854425025280).

16545766353636 is an abundant number, since it is smaller than the sum of its proper divisors (25163083696924).

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

16545766353636 is a wasteful number, since it uses less digits than its factorization.

16545766353636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142565 (or 142563 counting only the distinct ones).

The product of its digits is 734832000, while the sum is 66.

The spelling of 16545766353636 in words is "sixteen trillion, five hundred forty-five billion, seven hundred sixty-six million, three hundred fifty-three thousand, six hundred thirty-six".