16216669713 has 4 divisors (see below), whose sum is σ = 21622226288. Its totient is φ = 10811113140.

The previous prime is 16216669709. The next prime is 16216669717. The reversal of 16216669713 is 31796661261.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31796661261 = 3 ⋅10598887087.

It is an interprime number because it is at equal distance from previous prime (16216669709) and next prime (16216669717).

It is not a de Polignac number, because 16216669713 - 2² = 16216669709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16216669717) 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, 2702778283 + ... + 2702778288.

It is an arithmetic number, because the mean of its divisors is an integer number (5405556572).

Almost surely, 2^16216669713 is an apocalyptic number.

It is an amenable number.

16216669713 is a deficient number, since it is larger than the sum of its proper divisors (5405556575).

16216669713 is an equidigital number, since it uses as much as digits as its factorization.

16216669713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405556574.

The product of its digits is 489888, while the sum is 48.

The spelling of 16216669713 in words is "sixteen billion, two hundred sixteen million, six hundred sixty-nine thousand, seven hundred thirteen".