216006465 has 8 divisors (see below), whose sum is σ = 345610368. Its totient is φ = 115203440.

The previous prime is 216006457. The next prime is 216006467. The reversal of 216006465 is 564600612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216006465 - 2³ = 216006457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216006467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7200201 + ... + 7200230.

It is an arithmetic number, because the mean of its divisors is an integer number (43201296).

Almost surely, 2^216006465 is an apocalyptic number.

It is an amenable number.

216006465 is a deficient number, since it is larger than the sum of its proper divisors (129603903).

216006465 is a wasteful number, since it uses less digits than its factorization.

216006465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14400439.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 216006465 is about 14697.1583988198. The cubic root of 216006465 is about 600.0059860514.

The spelling of 216006465 in words is "two hundred sixteen million, six thousand, four hundred sixty-five".