16806318883 has 4 divisors (see below), whose sum is σ = 16876054888. Its totient is φ = 16736582880.

The previous prime is 16806318877. The next prime is 16806318911. The reversal of 16806318883 is 38881360861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38881360861 = 7 ⋅5554480123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16806318883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16806318883.

It is not an unprimeable number, because it can be changed into a prime (16806318283) 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, 34867641 + ... + 34868122.

It is an arithmetic number, because the mean of its divisors is an integer number (4219013722).

Almost surely, 2^16806318883 is an apocalyptic number.

16806318883 is a deficient number, since it is larger than the sum of its proper divisors (69736005).

16806318883 is an equidigital number, since it uses as much as digits as its factorization.

16806318883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69736004.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 16806318883 in words is "sixteen billion, eight hundred six million, three hundred eighteen thousand, eight hundred eighty-three".