32668021067 has 16 divisors (see below), whose sum is σ = 35815208832. Its totient is φ = 29550573120.

The previous prime is 32668021063. The next prime is 32668021073. The reversal of 32668021067 is 76012086623.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32668021067 - 2² = 32668021063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32668021063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4781708 + ... + 4788534.

It is an arithmetic number, because the mean of its divisors is an integer number (2238450552).

Almost surely, 2^32668021067 is an apocalyptic number.

32668021067 is a deficient number, since it is larger than the sum of its proper divisors (3147187765).

32668021067 is a wasteful number, since it uses less digits than its factorization.

32668021067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 32668021067 in words is "thirty-two billion, six hundred sixty-eight million, twenty-one thousand, sixty-seven".