6771330411638 has 32 divisors (see below), whose sum is σ = 10959457070016. Its totient is φ = 3119191239168.

The previous prime is 6771330411619. The next prime is 6771330411661. The reversal of 6771330411638 is 8361140331776.

It is a happy number.

It is a Curzon 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, 27916370 + ... + 28157882.

It is an arithmetic number, because the mean of its divisors is an integer number (342483033438).

Almost surely, 2^{6771330411638} is an apocalyptic number.

6771330411638 is a deficient number, since it is larger than the sum of its proper divisors (4188126658378).

6771330411638 is a wasteful number, since it uses less digits than its factorization.

6771330411638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243608.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 6771330411638 in words is "six trillion, seven hundred seventy-one billion, three hundred thirty million, four hundred eleven thousand, six hundred thirty-eight".