16777049 has 2 divisors, whose sum is σ = 16777050. Its totient is φ = 16777048.

The previous prime is 16777027. The next prime is 16777099. The reversal of 16777049 is 94077761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13690000 + 3087049 = 3700^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 16777049 - 2²⁰ = 15728473 is a prime.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 16776997 and 16777015.

It is not a weakly prime, because it can be changed into another prime (16777099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8388524 + 8388525.

It is an arithmetic number, because the mean of its divisors is an integer number (8388525).

Almost surely, 2^16777049 is an apocalyptic number.

It is an amenable number.

16777049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16777049 is an equidigital number, since it uses as much as digits as its factorization.

16777049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 16777049 is about 4095.9796142071. The cubic root of 16777049 is about 255.9991505913. Note that the first 3 decimals are identical.

The spelling of 16777049 in words is "sixteen million, seven hundred seventy-seven thousand, forty-nine".