16672039 has 2 divisors, whose sum is σ = 16672040. Its totient is φ = 16672038.

The previous prime is 16672037. The next prime is 16672049. The reversal of 16672039 is 93027661.

It is a weak prime.

It is an emirp because it is prime and its reverse (93027661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16672039 - 2¹ = 16672037 is a prime.

Together with 16672037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16671995 and 16672013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16672037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8336019 + 8336020.

It is an arithmetic number, because the mean of its divisors is an integer number (8336020).

Almost surely, 2^16672039 is an apocalyptic number.

16672039 is a deficient number, since it is larger than the sum of its proper divisors (1).

16672039 is an equidigital number, since it uses as much as digits as its factorization.

16672039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 16672039 is about 4083.1408253941. The cubic root of 16672039 is about 255.4639203141.

The spelling of 16672039 in words is "sixteen million, six hundred seventy-two thousand, thirty-nine".