67655216 has 20 divisors (see below), whose sum is σ = 131266152. Its totient is φ = 33780096.

The previous prime is 67655201. The next prime is 67655227. The reversal of 67655216 is 61255676.

It is a self number, because there is not a number n which added to its sum of digits gives 67655216.

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, 10676 + ... + 15788.

Almost surely, 2^67655216 is an apocalyptic number.

It is an amenable number.

67655216 is a deficient number, since it is larger than the sum of its proper divisors (63610936).

67655216 is a wasteful number, since it uses less digits than its factorization.

67655216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948 (or 5942 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 67655216 is about 8225.2790834111. The cubic root of 67655216 is about 407.4744932408.

The spelling of 67655216 in words is "sixty-seven million, six hundred fifty-five thousand, two hundred sixteen".