67662256996 has 12 divisors (see below), whose sum is σ = 118713345660. Its totient is φ = 33744158240.

The previous prime is 67662256993. The next prime is 67662256997. The reversal of 67662256996 is 69965226676.

It can be written as a sum of positive squares in 2 ways, for example, as 9788332096 + 57873924900 = 98936^2 + 240570^2 .

It is not an unprimeable number, because it can be changed into a prime (67662256993) 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 3 ways as a sum of consecutive naturals, for example, 21740815 + ... + 21743926.

It is an arithmetic number, because the mean of its divisors is an integer number (9892778805).

Almost surely, 2^67662256996 is an apocalyptic number.

It is an amenable number.

67662256996 is a deficient number, since it is larger than the sum of its proper divisors (51051088664).

67662256996 is a wasteful number, since it uses less digits than its factorization.

67662256996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43485134 (or 43485132 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 64.

The spelling of 67662256996 in words is "sixty-seven billion, six hundred sixty-two million, two hundred fifty-six thousand, nine hundred ninety-six".