67016263577 has 2 divisors, whose sum is σ = 67016263578. Its totient is φ = 67016263576.

The previous prime is 67016263571. The next prime is 67016263597. The reversal of 67016263577 is 77536261076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38973077056 + 28043186521 = 197416^2 + 167461^2 .

It is a cyclic number.

It is not a de Polignac number, because 67016263577 - 2²⁴ = 66999486361 is a prime.

It is not a weakly prime, because it can be changed into another prime (67016263571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33508131788 + 33508131789.

It is an arithmetic number, because the mean of its divisors is an integer number (33508131789).

Almost surely, 2^67016263577 is an apocalyptic number.

It is an amenable number.

67016263577 is a deficient number, since it is larger than the sum of its proper divisors (1).

67016263577 is an equidigital number, since it uses as much as digits as its factorization.

67016263577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 67016263577 in words is "sixty-seven billion, sixteen million, two hundred sixty-three thousand, five hundred seventy-seven".