32001656065 has 8 divisors (see below), whose sum is σ = 38403065088. Its totient is φ = 25600606320.

The previous prime is 32001656033. The next prime is 32001656087. The reversal of 32001656065 is 56065610023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32001656065 - 2⁵ = 32001656033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32001656065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179634 + ... + 310276.

It is an arithmetic number, because the mean of its divisors is an integer number (4800383136).

Almost surely, 2^32001656065 is an apocalyptic number.

It is an amenable number.

32001656065 is a deficient number, since it is larger than the sum of its proper divisors (6401409023).

32001656065 is a wasteful number, since it uses less digits than its factorization.

32001656065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179639.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 32001656065 in words is "thirty-two billion, one million, six hundred fifty-six thousand, sixty-five".