16334947 has 2 divisors, whose sum is σ = 16334948. Its totient is φ = 16334946.

The previous prime is 16334939. The next prime is 16334951. The reversal of 16334947 is 74943361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16334947 - 2³ = 16334939 is a prime.

It is not a weakly prime, because it can be changed into another prime (16334957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8167473 + 8167474.

It is an arithmetic number, because the mean of its divisors is an integer number (8167474).

Almost surely, 2^16334947 is an apocalyptic number.

16334947 is a deficient number, since it is larger than the sum of its proper divisors (1).

16334947 is an equidigital number, since it uses as much as digits as its factorization.

16334947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 16334947 is about 4041.6515188720. The cubic root of 16334947 is about 253.7304423277.

The spelling of 16334947 in words is "sixteen million, three hundred thirty-four thousand, nine hundred forty-seven".