32064556646 has 8 divisors (see below), whose sum is σ = 48755695944. Its totient is φ = 15812658000.

The previous prime is 32064556633. The next prime is 32064556661. The reversal of 32064556646 is 64665546023.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 32064556646.

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, 109809980 + ... + 109810271.

It is an arithmetic number, because the mean of its divisors is an integer number (6094461993).

Almost surely, 2^32064556646 is an apocalyptic number.

32064556646 is a deficient number, since it is larger than the sum of its proper divisors (16691139298).

32064556646 is a wasteful number, since it uses less digits than its factorization.

32064556646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219620326.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 32064556646 in words is "thirty-two billion, sixty-four million, five hundred fifty-six thousand, six hundred forty-six".