16340866223 has 4 divisors (see below), whose sum is σ = 17826399528. Its totient is φ = 14855332920.

The previous prime is 16340866181. The next prime is 16340866237. The reversal of 16340866223 is 32266804361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32266804361 = 11 ⋅2933345851.

It is a cyclic number.

It is not a de Polignac number, because 16340866223 - 2⁶ = 16340866159 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 (16340866523) 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, 742766636 + ... + 742766657.

It is an arithmetic number, because the mean of its divisors is an integer number (4456599882).

Almost surely, 2^16340866223 is an apocalyptic number.

16340866223 is a deficient number, since it is larger than the sum of its proper divisors (1485533305).

16340866223 is a wasteful number, since it uses less digits than its factorization.

16340866223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485533304.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 16340866223 in words is "sixteen billion, three hundred forty million, eight hundred sixty-six thousand, two hundred twenty-three".