16687003337 has 2 divisors, whose sum is σ = 16687003338. Its totient is φ = 16687003336.

The previous prime is 16687003279. The next prime is 16687003343. The reversal of 16687003337 is 73330078661.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15088682896 + 1598320441 = 122836^2 + 39979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16687003337 is a prime.

It is not a weakly prime, because it can be changed into another prime (16687003357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8343501668 + 8343501669.

It is an arithmetic number, because the mean of its divisors is an integer number (8343501669).

Almost surely, 2^16687003337 is an apocalyptic number.

It is an amenable number.

16687003337 is a deficient number, since it is larger than the sum of its proper divisors (1).

16687003337 is an equidigital number, since it uses as much as digits as its factorization.

16687003337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 16687003337 in words is "sixteen billion, six hundred eighty-seven million, three thousand, three hundred thirty-seven".