67616365 has 16 divisors (see below), whose sum is σ = 83494656. Its totient is φ = 52545600.

The previous prime is 67616359. The next prime is 67616377. The reversal of 67616365 is 56361676.

It is not a de Polignac number, because 67616365 - 2¹⁷ = 67485293 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23980 + ... + 26650.

It is an arithmetic number, because the mean of its divisors is an integer number (5218416).

Almost surely, 2^67616365 is an apocalyptic number.

It is an amenable number.

67616365 is a deficient number, since it is larger than the sum of its proper divisors (15878291).

67616365 is a wasteful number, since it uses less digits than its factorization.

67616365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820.

The product of its digits is 136080, while the sum is 40.

The square root of 67616365 is about 8222.9170614813. The cubic root of 67616365 is about 407.3964809124.

The spelling of 67616365 in words is "sixty-seven million, six hundred sixteen thousand, three hundred sixty-five".