216214963 has 8 divisors (see below), whose sum is σ = 219971840. Its totient is φ = 212473800.

The previous prime is 216214949. The next prime is 216214969. The reversal of 216214963 is 369412612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216214963 - 2²¹ = 214117811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216214969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25738 + ... + 33088.

It is an arithmetic number, because the mean of its divisors is an integer number (27496480).

Almost surely, 2^216214963 is an apocalyptic number.

216214963 is a deficient number, since it is larger than the sum of its proper divisors (3756877).

216214963 is an equidigital number, since it uses as much as digits as its factorization.

216214963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857.

The product of its digits is 15552, while the sum is 34.

The square root of 216214963 is about 14704.2498278559. The cubic root of 216214963 is about 600.1989738232.

The spelling of 216214963 in words is "two hundred sixteen million, two hundred fourteen thousand, nine hundred sixty-three".