16266947 has 2 divisors, whose sum is σ = 16266948. Its totient is φ = 16266946.

The previous prime is 16266937. The next prime is 16266953. The reversal of 16266947 is 74966261.

It is a strong prime.

16266947 is a truncatable prime.

It is an emirp because it is prime and its reverse (74966261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16266947 is a prime.

It is a super-2 number, since 2×16266947² = 529227129401618, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16266917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8133473 + 8133474.

It is an arithmetic number, because the mean of its divisors is an integer number (8133474).

Almost surely, 2^16266947 is an apocalyptic number.

16266947 is a deficient number, since it is larger than the sum of its proper divisors (1).

16266947 is an equidigital number, since it uses as much as digits as its factorization.

16266947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 16266947 is about 4033.2303430377. The cubic root of 16266947 is about 253.3778717091.

The spelling of 16266947 in words is "sixteen million, two hundred sixty-six thousand, nine hundred forty-seven".