216014653 has 4 divisors (see below), whose sum is σ = 216918720. Its totient is φ = 215110588.

The previous prime is 216014611. The next prime is 216014657. The reversal of 216014653 is 356410612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216014653 - 2²⁵ = 182460221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216014657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451675 + ... + 452152.

It is an arithmetic number, because the mean of its divisors is an integer number (54229680).

Almost surely, 2^216014653 is an apocalyptic number.

It is an amenable number.

216014653 is a deficient number, since it is larger than the sum of its proper divisors (904067).

216014653 is an equidigital number, since it uses as much as digits as its factorization.

216014653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904066.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 216014653 is about 14697.4369534283. The cubic root of 216014653 is about 600.0135672858.

The spelling of 216014653 in words is "two hundred sixteen million, fourteen thousand, six hundred fifty-three".