16605083923 has 2 divisors, whose sum is σ = 16605083924. Its totient is φ = 16605083922.

The previous prime is 16605083909. The next prime is 16605083941. The reversal of 16605083923 is 32938050661.

It is a weak prime.

It is an emirp because it is prime and its reverse (32938050661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16605083923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16605083923.

It is not a weakly prime, because it can be changed into another prime (16605083993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8302541961 + 8302541962.

It is an arithmetic number, because the mean of its divisors is an integer number (8302541962).

Almost surely, 2^16605083923 is an apocalyptic number.

16605083923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16605083923 is an equidigital number, since it uses as much as digits as its factorization.

16605083923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 16605083923 in words is "sixteen billion, six hundred five million, eighty-three thousand, nine hundred twenty-three".