16216967867 has 4 divisors (see below), whose sum is σ = 16289689920. Its totient is φ = 16144245816.

The previous prime is 16216967839. The next prime is 16216967869. The reversal of 16216967867 is 76876961261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76876961261 = 2851 ⋅26964911.

It is a cyclic number.

It is not a de Polignac number, because 16216967867 - 2⁶ = 16216967803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16216967869) 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, 36360692 + ... + 36361137.

It is an arithmetic number, because the mean of its divisors is an integer number (4072422480).

Almost surely, 2^16216967867 is an apocalyptic number.

16216967867 is a deficient number, since it is larger than the sum of its proper divisors (72722053).

16216967867 is an equidigital number, since it uses as much as digits as its factorization.

16216967867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72722052.

The product of its digits is 9144576, while the sum is 59.

The spelling of 16216967867 in words is "sixteen billion, two hundred sixteen million, nine hundred sixty-seven thousand, eight hundred sixty-seven".