16266449 has 2 divisors, whose sum is σ = 16266450. Its totient is φ = 16266448.

The previous prime is 16266431. The next prime is 16266469. The reversal of 16266449 is 94466261.

It is a happy number.

16266449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 3125824 = 3625^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 16266449 - 2¹⁶ = 16200913 is a prime.

It is not a weakly prime, because it can be changed into another prime (16266409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8133224 + 8133225.

It is an arithmetic number, because the mean of its divisors is an integer number (8133225).

Almost surely, 2^16266449 is an apocalyptic number.

It is an amenable number.

16266449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16266449 is an equidigital number, since it uses as much as digits as its factorization.

16266449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 16266449 is about 4033.1686054515. The cubic root of 16266449 is about 253.3752860269.

The spelling of 16266449 in words is "sixteen million, two hundred sixty-six thousand, four hundred forty-nine".