16406851 has 2 divisors, whose sum is σ = 16406852. Its totient is φ = 16406850.

The previous prime is 16406827. The next prime is 16406867. The reversal of 16406851 is 15860461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16406851 - 2¹¹ = 16404803 is a prime.

It is a super-3 number, since 3×16406851³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16406891) 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, 8203425 + 8203426.

It is an arithmetic number, because the mean of its divisors is an integer number (8203426).

Almost surely, 2^16406851 is an apocalyptic number.

16406851 is a deficient number, since it is larger than the sum of its proper divisors (1).

16406851 is an equidigital number, since it uses as much as digits as its factorization.

16406851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 16406851 is about 4050.5371248762. The cubic root of 16406851 is about 254.1021919174.

The spelling of 16406851 in words is "sixteen million, four hundred six thousand, eight hundred fifty-one".