32160782845 has 4 divisors (see below), whose sum is σ = 38592939420. Its totient is φ = 25728626272.

The previous prime is 32160782831. The next prime is 32160782873. The reversal of 32160782845 is 54828706123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54828706123 = 641 ⋅85536203.

It can be written as a sum of positive squares in 2 ways, for example, as 4131661284 + 28029121561 = 64278^2 + 167419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32160782845 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32160782795 and 32160782804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3216078280 + ... + 3216078289.

It is an arithmetic number, because the mean of its divisors is an integer number (9648234855).

Almost surely, 2^32160782845 is an apocalyptic number.

It is an amenable number.

32160782845 is a deficient number, since it is larger than the sum of its proper divisors (6432156575).

32160782845 is an equidigital number, since it uses as much as digits as its factorization.

32160782845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432156574.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 32160782845 in words is "thirty-two billion, one hundred sixty million, seven hundred eighty-two thousand, eight hundred forty-five".