16530677 has 2 divisors, whose sum is σ = 16530678. Its totient is φ = 16530676.

The previous prime is 16530659. The next prime is 16530697. The reversal of 16530677 is 77603561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16313521 + 217156 = 4039^2 + 466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16530677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16530607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265338 + 8265339.

It is an arithmetic number, because the mean of its divisors is an integer number (8265339).

Almost surely, 2^16530677 is an apocalyptic number.

It is an amenable number.

16530677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530677 is an equidigital number, since it uses as much as digits as its factorization.

16530677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 16530677 is about 4065.7935264841. The cubic root of 16530677 is about 254.7398448898.

The spelling of 16530677 in words is "sixteen million, five hundred thirty thousand, six hundred seventy-seven".