67331017406863 has 16 divisors (see below), whose sum is σ = 77284060011520. Its totient is φ = 57462064363296.

The previous prime is 67331017406843. The next prime is 67331017406893. The reversal of 67331017406863 is 36860471013376.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67331017406863 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 (67331017406813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19580256 + ... + 22760677.

It is an arithmetic number, because the mean of its divisors is an integer number (4830253750720).

Almost surely, 2^{67331017406863} is an apocalyptic number.

67331017406863 is a deficient number, since it is larger than the sum of its proper divisors (9953042604657).

67331017406863 is a wasteful number, since it uses less digits than its factorization.

67331017406863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42341926.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 67331017406863 in words is "sixty-seven trillion, three hundred thirty-one billion, seventeen million, four hundred six thousand, eight hundred sixty-three".