16216463 has 4 divisors (see below), whose sum is σ = 16522488. Its totient is φ = 15910440.

The previous prime is 16216451. The next prime is 16216477. The reversal of 16216463 is 36461261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16216463 - 2⁶ = 16216399 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 (16216433) 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, 152933 + ... + 153038.

It is an arithmetic number, because the mean of its divisors is an integer number (4130622).

Almost surely, 2^16216463 is an apocalyptic number.

16216463 is a deficient number, since it is larger than the sum of its proper divisors (306025).

16216463 is an equidigital number, since it uses as much as digits as its factorization.

16216463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306024.

The product of its digits is 5184, while the sum is 29.

The square root of 16216463 is about 4026.9669727973. The cubic root of 16216463 is about 253.1154831152.

The spelling of 16216463 in words is "sixteen million, two hundred sixteen thousand, four hundred sixty-three".