67508419968 has 96 divisors (see below), whose sum is σ = 211922778600. Its totient is φ = 20457093120.

The previous prime is 67508419963. The next prime is 67508419973. The reversal of 67508419968 is 86991480576.

67508419968 is a `hidden beast` number, since 67 + 508 + 4 + 1 + 9 + 9 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (67508419963) and next prime (67508419973).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×67508419968² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67508419963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2651013 + ... + 2676356.

Almost surely, 2^67508419968 is an apocalyptic number.

It is an amenable number.

67508419968 is an abundant number, since it is smaller than the sum of its proper divisors (144414358632).

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

67508419968 is a wasteful number, since it uses less digits than its factorization.

67508419968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327400 (or 5327385 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 67508419968 in words is "sixty-seven billion, five hundred eight million, four hundred nineteen thousand, nine hundred sixty-eight".