16309007 has 24 divisors (see below), whose sum is σ = 19957248. Its totient is φ = 13197600.

The previous prime is 16308989. The next prime is 16309019. The reversal of 16309007 is 70090361.

It is a happy number.

It is not a de Polignac number, because 16309007 - 2⁸ = 16308751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16309037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57488 + ... + 57770.

It is an arithmetic number, because the mean of its divisors is an integer number (831552).

Almost surely, 2^16309007 is an apocalyptic number.

16309007 is a deficient number, since it is larger than the sum of its proper divisors (3648241).

16309007 is a wasteful number, since it uses less digits than its factorization.

16309007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 16309007 is about 4038.4411596555. The cubic root of 16309007 is about 253.5960626505.

Adding to 16309007 its reverse (70090361), we get a palindrome (86399368).

The spelling of 16309007 in words is "sixteen million, three hundred nine thousand, seven".