32665372063 has 4 divisors (see below), whose sum is σ = 32707850560. Its totient is φ = 32622893568.

The previous prime is 32665372039. The next prime is 32665372079. The reversal of 32665372063 is 36027356623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32665372063 - 2⁹ = 32665371551 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 (32665372963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21238095 + ... + 21239632.

It is an arithmetic number, because the mean of its divisors is an integer number (8176962640).

Almost surely, 2^32665372063 is an apocalyptic number.

32665372063 is a deficient number, since it is larger than the sum of its proper divisors (42478497).

32665372063 is an equidigital number, since it uses as much as digits as its factorization.

32665372063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42478496.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 32665372063 in words is "thirty-two billion, six hundred sixty-five million, three hundred seventy-two thousand, sixty-three".