68416512 has 44 divisors (see below), whose sum is σ = 182363136. Its totient is φ = 22804480.

The previous prime is 68416501. The next prime is 68416531. The reversal of 68416512 is 21561486.

It is a super-2 number, since 2×68416512² = 9361638228492288, which contains 22 as substring.

It is a congruent number.

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, 8064 + ... + 14207.

Almost surely, 2^68416512 is an apocalyptic number.

It is an amenable number.

68416512 is an abundant number, since it is smaller than the sum of its proper divisors (113946624).

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

68416512 is a wasteful number, since it uses less digits than its factorization.

68416512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22294 (or 22276 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 68416512 is about 8271.4274463360. The cubic root of 68416512 is about 408.9971763883.

Adding to 68416512 its reverse (21561486), we get a palindrome (89977998).

The spelling of 68416512 in words is "sixty-eight million, four hundred sixteen thousand, five hundred twelve".