68584163776424 has 32 divisors (see below), whose sum is σ = 128751157017000. Its totient is φ = 34250538808320.

The previous prime is 68584163776417. The next prime is 68584163776483. The reversal of 68584163776424 is 42467736148586.

It can be written as a sum of positive squares in 4 ways, for example, as 62529030700900 + 6055133075524 = 7907530^2 + 2460718^2 .

It is a super-2 number, since 2×68584163776424² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31481804 + ... + 33589764.

Almost surely, 2^{68584163776424} is an apocalyptic number.

It is an amenable number.

68584163776424 is a deficient number, since it is larger than the sum of its proper divisors (60166993240576).

68584163776424 is a wasteful number, since it uses less digits than its factorization.

68584163776424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112893 (or 2112889 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 71.

The spelling of 68584163776424 in words is "sixty-eight trillion, five hundred eighty-four billion, one hundred sixty-three million, seven hundred seventy-six thousand, four hundred twenty-four".