16816827323 has 4 divisors (see below), whose sum is σ = 16818183360. Its totient is φ = 16815471288.

The previous prime is 16816827259. The next prime is 16816827343. The reversal of 16816827323 is 32372861861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32372861861 = 229 ⋅141366209.

It is a cyclic number.

It is not a de Polignac number, because 16816827323 - 2⁶ = 16816827259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16816827343) 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, 659243 + ... + 684276.

It is an arithmetic number, because the mean of its divisors is an integer number (4204545840).

Almost surely, 2^16816827323 is an apocalyptic number.

16816827323 is a deficient number, since it is larger than the sum of its proper divisors (1356037).

16816827323 is a wasteful number, since it uses less digits than its factorization.

16816827323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356036.

The product of its digits is 580608, while the sum is 47.

The spelling of 16816827323 in words is "sixteen billion, eight hundred sixteen million, eight hundred twenty-seven thousand, three hundred twenty-three".