32161108065 has 32 divisors (see below), whose sum is σ = 52568234496. Its totient is φ = 16782654720.

The previous prime is 32161108051. The next prime is 32161108073. The reversal of 32161108065 is 56080116123.

It is not a de Polignac number, because 32161108065 - 2⁸ = 32161107809 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, 4382139 + ... + 4389471.

It is an arithmetic number, because the mean of its divisors is an integer number (1642757328).

Almost surely, 2^32161108065 is an apocalyptic number.

It is an amenable number.

32161108065 is a deficient number, since it is larger than the sum of its proper divisors (20407126431).

32161108065 is a wasteful number, since it uses less digits than its factorization.

32161108065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 32161108065 in words is "thirty-two billion, one hundred sixty-one million, one hundred eight thousand, sixty-five".