16973377 has 2 divisors, whose sum is σ = 16973378. Its totient is φ = 16973376.

The previous prime is 16973339. The next prime is 16973401. The reversal of 16973377 is 77337961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 8116801 = 2976^2 + 2849^2 .

It is a cyclic number.

It is not a de Polignac number, because 16973377 - 2⁷ = 16973249 is a prime.

It is not a weakly prime, because it can be changed into another prime (16973477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8486688 + 8486689.

It is an arithmetic number, because the mean of its divisors is an integer number (8486689).

Almost surely, 2^16973377 is an apocalyptic number.

It is an amenable number.

16973377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16973377 is an equidigital number, since it uses as much as digits as its factorization.

16973377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 166698, while the sum is 43.

The square root of 16973377 is about 4119.8758476440. The cubic root of 16973377 is about 256.9938629955.

The spelling of 16973377 in words is "sixteen million, nine hundred seventy-three thousand, three hundred seventy-seven".