16400927 has 2 divisors, whose sum is σ = 16400928. Its totient is φ = 16400926.

The previous prime is 16400851. The next prime is 16400939. The reversal of 16400927 is 72900461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16400927 - 2¹⁶ = 16335391 is a prime.

It is a Chen prime.

It is equal to p_1055189 and since 16400927 and 1055189 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16400927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16400987) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200463 + 8200464.

It is an arithmetic number, because the mean of its divisors is an integer number (8200464).

Almost surely, 2^16400927 is an apocalyptic number.

16400927 is a deficient number, since it is larger than the sum of its proper divisors (1).

16400927 is an equidigital number, since it uses as much as digits as its factorization.

16400927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 16400927 is about 4049.8057978130. The cubic root of 16400927 is about 254.0716054550.

The spelling of 16400927 in words is "sixteen million, four hundred thousand, nine hundred twenty-seven".