32641658018 has 18 divisors (see below), whose sum is σ = 50144508027. Its totient is φ = 15935909220.

The previous prime is 32641658017. The next prime is 32641658047. The reversal of 32641658018 is 81085614623.

It can be written as a sum of positive squares in only one way, i.e., 16320829009 + 16320829009 = 127753^2 + 127753^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=127753.

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 32641658018.

It is not an unprimeable number, because it can be changed into a prime (32641658017) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10985273 + ... + 10988243.

Almost surely, 2^32641658018 is an apocalyptic number.

32641658018 is a deficient number, since it is larger than the sum of its proper divisors (17502850009).

32641658018 is an frugal number, since it uses more digits than its factorization.

32641658018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 32641658018 in words is "thirty-two billion, six hundred forty-one million, six hundred fifty-eight thousand, eighteen".