16731007 has 2 divisors, whose sum is σ = 16731008. Its totient is φ = 16731006.

The previous prime is 16730983. The next prime is 16731023. The reversal of 16731007 is 70013761.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16731007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16731047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365503 + 8365504.

It is an arithmetic number, because the mean of its divisors is an integer number (8365504).

Almost surely, 2^16731007 is an apocalyptic number.

16731007 is a deficient number, since it is larger than the sum of its proper divisors (1).

16731007 is an equidigital number, since it uses as much as digits as its factorization.

16731007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 16731007 is about 4090.3553635351. The cubic root of 16731007 is about 255.7647527615.

Adding to 16731007 its reverse (70013761), we get a palindrome (86744768).

The spelling of 16731007 in words is "sixteen million, seven hundred thirty-one thousand, seven".