16715664337 has 2 divisors, whose sum is σ = 16715664338. Its totient is φ = 16715664336.

The previous prime is 16715664283. The next prime is 16715664347. The reversal of 16715664337 is 73346651761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16369667136 + 345997201 = 127944^2 + 18601^2 .

It is a cyclic number.

It is not a de Polignac number, because 16715664337 - 2⁷ = 16715664209 is a prime.

It is a super-3 number, since 3×16715664337³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16715664347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8357832168 + 8357832169.

It is an arithmetic number, because the mean of its divisors is an integer number (8357832169).

Almost surely, 2^16715664337 is an apocalyptic number.

It is an amenable number.

16715664337 is a deficient number, since it is larger than the sum of its proper divisors (1).

16715664337 is an equidigital number, since it uses as much as digits as its factorization.

16715664337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 16715664337 in words is "sixteen billion, seven hundred fifteen million, six hundred sixty-four thousand, three hundred thirty-seven".