16961677 has 2 divisors, whose sum is σ = 16961678. Its totient is φ = 16961676.

The previous prime is 16961671. The next prime is 16961729. The reversal of 16961677 is 77616961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13645636 + 3316041 = 3694^2 + 1821^2 .

It is an emirp because it is prime and its reverse (77616961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16961677 - 2¹⁵ = 16928909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16961671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8480838 + 8480839.

It is an arithmetic number, because the mean of its divisors is an integer number (8480839).

Almost surely, 2^16961677 is an apocalyptic number.

It is an amenable number.

16961677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16961677 is an equidigital number, since it uses as much as digits as its factorization.

16961677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 16961677 is about 4118.4556571608. The cubic root of 16961677 is about 256.9347995310.

The spelling of 16961677 in words is "sixteen million, nine hundred sixty-one thousand, six hundred seventy-seven".