16406051 has 2 divisors, whose sum is σ = 16406052. Its totient is φ = 16406050.

The previous prime is 16406023. The next prime is 16406053. The reversal of 16406051 is 15060461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16406051 - 2¹⁰ = 16405027 is a prime.

Together with 16406053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16406053) 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, 8203025 + 8203026.

It is an arithmetic number, because the mean of its divisors is an integer number (8203026).

Almost surely, 2^16406051 is an apocalyptic number.

16406051 is a deficient number, since it is larger than the sum of its proper divisors (1).

16406051 is an equidigital number, since it uses as much as digits as its factorization.

16406051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16406051 is about 4050.4383713371. The cubic root of 16406051 is about 254.0980618326.

The spelling of 16406051 in words is "sixteen million, four hundred six thousand, fifty-one".