67631881080 has 32 divisors (see below), whose sum is σ = 202895643600. Its totient is φ = 18035168256.

The previous prime is 67631881033. The next prime is 67631881151. The reversal of 67631881080 is 8018813676.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 281799385 + ... + 281799624.

Almost surely, 2^67631881080 is an apocalyptic number.

67631881080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67631881080 is an abundant number, since it is smaller than the sum of its proper divisors (135263762520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67631881080 is a wasteful number, since it uses less digits than its factorization.

67631881080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563599023 (or 563599019 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 67631881080 in words is "sixty-seven billion, six hundred thirty-one million, eight hundred eighty-one thousand, eighty".