16100449 has 2 divisors, whose sum is σ = 16100450. Its totient is φ = 16100448.

The previous prime is 16100443. The next prime is 16100473. The reversal of 16100449 is 94400161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 1774224 = 3785^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 16100449 - 2²³ = 7711841 is a prime.

It is not a weakly prime, because it can be changed into another prime (16100443) 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, 8050224 + 8050225.

It is an arithmetic number, because the mean of its divisors is an integer number (8050225).

Almost surely, 2^16100449 is an apocalyptic number.

It is an amenable number.

16100449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16100449 is an equidigital number, since it uses as much as digits as its factorization.

16100449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16100449 is about 4012.5364795850. The cubic root of 16100449 is about 252.5104344935.

The spelling of 16100449 in words is "sixteen million, one hundred thousand, four hundred forty-nine".