4067128217605 has 16 divisors (see below), whose sum is σ = 5092886795904. Its totient is φ = 3112154781120.

The previous prime is 4067128217599. The next prime is 4067128217707. The reversal of 4067128217605 is 5067128217604.

It is not a de Polignac number, because 4067128217605 - 2¹³ = 4067128209413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4081810 + ... + 4979500.

It is an arithmetic number, because the mean of its divisors is an integer number (318305424744).

Almost surely, 2^{4067128217605} is an apocalyptic number.

It is an amenable number.

4067128217605 is a deficient number, since it is larger than the sum of its proper divisors (1025758578299).

4067128217605 is a wasteful number, since it uses less digits than its factorization.

4067128217605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937116.

The product of its (nonzero) digits is 1128960, while the sum is 49.

Subtracting 4067128217605 from its reverse (5067128217604), we obtain a palindrome (999999999999).

The spelling of 4067128217605 in words is "four trillion, sixty-seven billion, one hundred twenty-eight million, two hundred seventeen thousand, six hundred five".