16677601 has 2 divisors, whose sum is σ = 16677602. Its totient is φ = 16677600.

The previous prime is 16677587. The next prime is 16677607. The reversal of 16677601 is 10677661.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 4004001 = 3560^2 + 2001^2 .

It is a cyclic number.

It is not a de Polignac number, because 16677601 - 2⁵ = 16677569 is a prime.

It is not a weakly prime, because it can be changed into another prime (16677607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8338800 + 8338801.

It is an arithmetic number, because the mean of its divisors is an integer number (8338801).

Almost surely, 2^16677601 is an apocalyptic number.

It is an amenable number.

16677601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16677601 is an equidigital number, since it uses as much as digits as its factorization.

16677601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16677601 is about 4083.8218619328. The cubic root of 16677601 is about 255.4923258048.

The spelling of 16677601 in words is "sixteen million, six hundred seventy-seven thousand, six hundred one".