16055503979 has 2 divisors, whose sum is σ = 16055503980. Its totient is φ = 16055503978.

The previous prime is 16055503939. The next prime is 16055504027. The reversal of 16055503979 is 97930555061.

It is a weak prime.

It is an emirp because it is prime and its reverse (97930555061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16055503979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16055503939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8027751989 + 8027751990.

It is an arithmetic number, because the mean of its divisors is an integer number (8027751990).

Almost surely, 2^16055503979 is an apocalyptic number.

16055503979 is a deficient number, since it is larger than the sum of its proper divisors (1).

16055503979 is an equidigital number, since it uses as much as digits as its factorization.

16055503979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1275750, while the sum is 50.

The spelling of 16055503979 in words is "sixteen billion, fifty-five million, five hundred three thousand, nine hundred seventy-nine".