67881490156 has 12 divisors (see below), whose sum is σ = 118840085392. Its totient is φ = 33927180048.

The previous prime is 67881490139. The next prime is 67881490241. The reversal of 67881490156 is 65109418876.

It is a junction number, because it is equal to n+sod(n) for n = 67881490097 and 67881490106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3379995 + ... + 3400018.

Almost surely, 2^67881490156 is an apocalyptic number.

It is an amenable number.

67881490156 is a deficient number, since it is larger than the sum of its proper divisors (50958595236).

67881490156 is a wasteful number, since it uses less digits than its factorization.

67881490156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782520 (or 6782518 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 67881490156 in words is "sixty-seven billion, eight hundred eighty-one million, four hundred ninety thousand, one hundred fifty-six".