20160044575749 has 24 divisors (see below), whose sum is σ = 33010599308960. Its totient is φ = 11753224366752.

The previous prime is 20160044575747. The next prime is 20160044575757. The reversal of 20160044575749 is 94757544006102.

20160044575749 is a `hidden beast` number, since 2 + 0 + 1 + 60 + 0 + 4 + 4 + 5 + 7 + 574 + 9 = 666.

It is not a de Polignac number, because 20160044575749 - 2¹ = 20160044575747 is a prime.

It is a super-3 number, since 3×20160044575749³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20160044575695 and 20160044575704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160044575747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4534420759 + ... + 4534425204.

Almost surely, 2^{20160044575749} is an apocalyptic number.

It is an amenable number.

20160044575749 is a deficient number, since it is larger than the sum of its proper divisors (12850554733211).

20160044575749 is a wasteful number, since it uses less digits than its factorization.

20160044575749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068846001 (or 9068845998 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 20160044575749 in words is "twenty trillion, one hundred sixty billion, forty-four million, five hundred seventy-five thousand, seven hundred forty-nine".