67919656996 has 9 divisors (see below), whose sum is σ = 118860311899. Its totient is φ = 33959567884.

The previous prime is 67919656969. The next prime is 67919657009. The reversal of 67919656996 is 69965691976.

The square root of 67919656996 is 260614.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×67919656996² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 456075 + ... + 586381.

Almost surely, 2^67919656996 is an apocalyptic number.

67919656996 is the 260614-th square number.

It is an amenable number.

67919656996 is a deficient number, since it is larger than the sum of its proper divisors (50940654903).

67919656996 is an frugal number, since it uses more digits than its factorization.

67919656996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260618 (or 130309 counting only the distinct ones).

The product of its digits is 297606960, while the sum is 73.

The spelling of 67919656996 in words is "sixty-seven billion, nine hundred nineteen million, six hundred fifty-six thousand, nine hundred ninety-six".