16000005999979 has 2 divisors, whose sum is σ = 16000005999980. Its totient is φ = 16000005999978.

The previous prime is 16000005999949. The next prime is 16000006000063. The reversal of 16000005999979 is 97999950000061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16000005999979 - 2¹⁷ = 16000005868907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16000005999979.

It is not a weakly prime, because it can be changed into another prime (16000005999949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000002999989 + 8000002999990.

It is an arithmetic number, because the mean of its divisors is an integer number (8000002999990).

Almost surely, 2^{16000005999979} is an apocalyptic number.

16000005999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000005999979 is an equidigital number, since it uses as much as digits as its factorization.

16000005999979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12400290, while the sum is 64.

The spelling of 16000005999979 in words is "sixteen trillion, five million, nine hundred ninety-nine thousand, nine hundred seventy-nine".