16677379 has 2 divisors, whose sum is σ = 16677380. Its totient is φ = 16677378.

The previous prime is 16677377. The next prime is 16677389. The reversal of 16677379 is 97377661.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16677379 - 2¹ = 16677377 is a prime.

Together with 16677377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16677371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8338689 + 8338690.

It is an arithmetic number, because the mean of its divisors is an integer number (8338690).

Almost surely, 2^16677379 is an apocalyptic number.

16677379 is a deficient number, since it is larger than the sum of its proper divisors (1).

16677379 is an equidigital number, since it uses as much as digits as its factorization.

16677379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 46.

The square root of 16677379 is about 4083.7946814207. The cubic root of 16677379 is about 255.4911921576.

The spelling of 16677379 in words is "sixteen million, six hundred seventy-seven thousand, three hundred seventy-nine".