20160736291745 has 32 divisors (see below), whose sum is σ = 28916861276160. Its totient is φ = 13193317494720.

The previous prime is 20160736291733. The next prime is 20160736291777. The reversal of 20160736291745 is 54719263706102.

It is not a de Polignac number, because 20160736291745 - 2²⁸ = 20160467856289 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28170971 + ... + 28877760.

It is an arithmetic number, because the mean of its divisors is an integer number (903651914880).

Almost surely, 2^{20160736291745} is an apocalyptic number.

It is an amenable number.

20160736291745 is a deficient number, since it is larger than the sum of its proper divisors (8756124984415).

20160736291745 is a wasteful number, since it uses less digits than its factorization.

20160736291745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57049205.

The product of its (nonzero) digits is 3810240, while the sum is 53.

Adding to 20160736291745 its reverse (54719263706102), we get a palindrome (74879999997847).

The spelling of 20160736291745 in words is "twenty trillion, one hundred sixty billion, seven hundred thirty-six million, two hundred ninety-one thousand, seven hundred forty-five".