16777601 has 2 divisors, whose sum is σ = 16777602. Its totient is φ = 16777600.

The previous prime is 16777597. The next prime is 16777619. The reversal of 16777601 is 10677761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 5755201 = 3320^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 16777601 - 2² = 16777597 is a prime.

It is not a weakly prime, because it can be changed into another prime (16777681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8388800 + 8388801.

It is an arithmetic number, because the mean of its divisors is an integer number (8388801).

Almost surely, 2^16777601 is an apocalyptic number.

It is an amenable number.

16777601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16777601 is an equidigital number, since it uses as much as digits as its factorization.

16777601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 16777601 is about 4096.0469968007. The cubic root of 16777601 is about 256.0019581963.

It can be divided in two parts, 1677760 and 1, that added together give a palindrome (1677761).

The spelling of 16777601 in words is "sixteen million, seven hundred seventy-seven thousand, six hundred one".