67216365 has 16 divisors (see below), whose sum is σ = 119496000. Its totient is φ = 35848656.

The previous prime is 67216361. The next prime is 67216379. The reversal of 67216365 is 56361276.

It is not a de Polignac number, because 67216365 - 2² = 67216361 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67216361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248815 + ... + 249084.

It is an arithmetic number, because the mean of its divisors is an integer number (7468500).

Almost surely, 2^67216365 is an apocalyptic number.

It is an amenable number.

67216365 is a deficient number, since it is larger than the sum of its proper divisors (52279635).

67216365 is a wasteful number, since it uses less digits than its factorization.

67216365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497913 (or 497907 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 67216365 is about 8198.5587147986. The cubic root of 67216365 is about 406.5915426790.

The spelling of 67216365 in words is "sixty-seven million, two hundred sixteen thousand, three hundred sixty-five".