16149818947 has 2 divisors, whose sum is σ = 16149818948. Its totient is φ = 16149818946.

The previous prime is 16149818929. The next prime is 16149818953. The reversal of 16149818947 is 74981894161.

16149818947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16149818947 - 2⁷ = 16149818819 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 16149818891 and 16149818900.

It is not a weakly prime, because it can be changed into another prime (16149818957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8074909473 + 8074909474.

It is an arithmetic number, because the mean of its divisors is an integer number (8074909474).

Almost surely, 2^16149818947 is an apocalyptic number.

16149818947 is a deficient number, since it is larger than the sum of its proper divisors (1).

16149818947 is an equidigital number, since it uses as much as digits as its factorization.

16149818947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 58.

The spelling of 16149818947 in words is "sixteen billion, one hundred forty-nine million, eight hundred eighteen thousand, nine hundred forty-seven".