1016640616337 has 2 divisors, whose sum is σ = 1016640616338. Its totient is φ = 1016640616336.

The previous prime is 1016640616331. The next prime is 1016640616339. The reversal of 1016640616337 is 7336160466101.

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., 687123287041 + 329517329296 = 828929^2 + 574036^2 .

It is an emirp because it is prime and its reverse (7336160466101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1016640616337 - 2⁸ = 1016640616081 is a prime.

Together with 1016640616339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1016640616331) 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, 508320308168 + 508320308169.

It is an arithmetic number, because the mean of its divisors is an integer number (508320308169).

Almost surely, 2^{1016640616337} is an apocalyptic number.

It is an amenable number.

1016640616337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016640616337 is an equidigital number, since it uses as much as digits as its factorization.

1016640616337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 1016640616337 in words is "one trillion, sixteen billion, six hundred forty million, six hundred sixteen thousand, three hundred thirty-seven".