32006560391 has 16 divisors (see below), whose sum is σ = 34579657728. Its totient is φ = 29449461600.

The previous prime is 32006560381. The next prime is 32006560463. The reversal of 32006560391 is 19306560023.

It is not a de Polignac number, because 32006560391 - 2¹⁴ = 32006544007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32006560321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9114326 + ... + 9117836.

It is an arithmetic number, because the mean of its divisors is an integer number (2161228608).

Almost surely, 2^32006560391 is an apocalyptic number.

32006560391 is a deficient number, since it is larger than the sum of its proper divisors (2573097337).

32006560391 is a wasteful number, since it uses less digits than its factorization.

32006560391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 32006560391 in words is "thirty-two billion, six million, five hundred sixty thousand, three hundred ninety-one".