67105616320157 has 2 divisors, whose sum is σ = 67105616320158. Its totient is φ = 67105616320156.

The previous prime is 67105616320139. The next prime is 67105616320201. The reversal of 67105616320157 is 75102361650176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45101580124441 + 22004036195716 = 6715771^2 + 4690846^2 .

It is a cyclic number.

It is not a de Polignac number, because 67105616320157 - 2⁸ = 67105616319901 is a prime.

It is a super-3 number, since 3×67105616320157³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67105616370157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33552808160078 + 33552808160079.

It is an arithmetic number, because the mean of its divisors is an integer number (33552808160079).

Almost surely, 2^{67105616320157} is an apocalyptic number.

It is an amenable number.

67105616320157 is a deficient number, since it is larger than the sum of its proper divisors (1).

67105616320157 is an equidigital number, since it uses as much as digits as its factorization.

67105616320157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 67105616320157 in words is "sixty-seven trillion, one hundred five billion, six hundred sixteen million, three hundred twenty thousand, one hundred fifty-seven".