67866416 has 20 divisors (see below), whose sum is σ = 132971400. Its totient is φ = 33551232.

The previous prime is 67866401. The next prime is 67866457. The reversal of 67866416 is 61466876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22406 + ... + 25253.

It is an arithmetic number, because the mean of its divisors is an integer number (6648570).

Almost surely, 2^67866416 is an apocalyptic number.

It is an amenable number.

67866416 is a deficient number, since it is larger than the sum of its proper divisors (65104984).

67866416 is a wasteful number, since it uses less digits than its factorization.

67866416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47756 (or 47750 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 67866416 is about 8238.1075496743. The cubic root of 67866416 is about 407.8980586016.

The spelling of 67866416 in words is "sixty-seven million, eight hundred sixty-six thousand, four hundred sixteen".