67632716331 has 12 divisors (see below), whose sum is σ = 102833370120. Its totient is φ = 42715399680.

The previous prime is 67632716321. The next prime is 67632716341. The reversal of 67632716331 is 13361723676.

It is a happy number.

67632716331 is a `hidden beast` number, since 6 + 7 + 6 + 3 + 2 + 7 + 1 + 633 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (67632716321) and next prime (67632716341).

It is not a de Polignac number, because 67632716331 - 2⁹ = 67632715819 is a prime.

It is a super-4 number, since 4×67632716331⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (67632716321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197756310 + ... + 197756651.

It is an arithmetic number, because the mean of its divisors is an integer number (8569447510).

Almost surely, 2^67632716331 is an apocalyptic number.

67632716331 is a deficient number, since it is larger than the sum of its proper divisors (35200653789).

67632716331 is a wasteful number, since it uses less digits than its factorization.

67632716331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395512986 (or 395512983 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The spelling of 67632716331 in words is "sixty-seven billion, six hundred thirty-two million, seven hundred sixteen thousand, three hundred thirty-one".