67811761152 has 66 divisors (see below), whose sum is σ = 195805015328. Its totient is φ = 22603917312.

The previous prime is 67811761151. The next prime is 67811761219. The reversal of 67811761152 is 25116711876.

It is a junction number, because it is equal to n+sod(n) for n = 67811761098 and 67811761107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67811761151) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3669808 + ... + 3688239.

Almost surely, 2^67811761152 is an apocalyptic number.

It is an amenable number.

67811761152 is an abundant number, since it is smaller than the sum of its proper divisors (127993254176).

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

67811761152 is a wasteful number, since it uses less digits than its factorization.

67811761152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358073 (or 7358052 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The spelling of 67811761152 in words is "sixty-seven billion, eight hundred eleven million, seven hundred sixty-one thousand, one hundred fifty-two".