137563216667 has 2 divisors, whose sum is σ = 137563216668. Its totient is φ = 137563216666.

The previous prime is 137563216649. The next prime is 137563216891. The reversal of 137563216667 is 766612365731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137563216667 - 2¹² = 137563212571 is a prime.

It is not a weakly prime, because it can be changed into another prime (137563216607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68781608333 + 68781608334.

It is an arithmetic number, because the mean of its divisors is an integer number (68781608334).

Almost surely, 2^137563216667 is an apocalyptic number.

137563216667 is a deficient number, since it is larger than the sum of its proper divisors (1).

137563216667 is an equidigital number, since it uses as much as digits as its factorization.

137563216667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 53.

The spelling of 137563216667 in words is "one hundred thirty-seven billion, five hundred sixty-three million, two hundred sixteen thousand, six hundred sixty-seven".