6646054942611 has 60 divisors (see below), whose sum is σ = 11229695791392. Its totient is φ = 3787393081248.

The previous prime is 6646054942603. The next prime is 6646054942621. The reversal of 6646054942611 is 1162494506466.

6646054942611 is a `hidden beast` number, since 6 + 6 + 4 + 60 + 549 + 4 + 26 + 11 = 666.

It is not a de Polignac number, because 6646054942611 - 2³ = 6646054942603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6646054942621) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7511485 + ... + 8349521.

Almost surely, 2^{6646054942611} is an apocalyptic number.

6646054942611 is a deficient number, since it is larger than the sum of its proper divisors (4583640848781).

6646054942611 is an equidigital number, since it uses as much as digits as its factorization.

6646054942611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838438 (or 838414 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 6646054942611 in words is "six trillion, six hundred forty-six billion, fifty-four million, nine hundred forty-two thousand, six hundred eleven".