6771140769645 has 192 divisors, whose sum is σ = 14255290183680. Its totient is φ = 2907377971200.

The previous prime is 6771140769607. The next prime is 6771140769713. The reversal of 6771140769645 is 5469670411776.

6771140769645 is a `hidden beast` number, since 67 + 71 + 1 + 407 + 69 + 6 + 45 = 666.

It is not a de Polignac number, because 6771140769645 - 2⁶ = 6771140769581 is a prime.

It is a super-3 number, since 3×6771140769645³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 147750835 + ... + 147796655.

It is an arithmetic number, because the mean of its divisors is an integer number (74246303040).

Almost surely, 2^{6771140769645} is an apocalyptic number.

It is an amenable number.

6771140769645 is an abundant number, since it is smaller than the sum of its proper divisors (7484149414035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6771140769645 is a wasteful number, since it uses less digits than its factorization.

6771140769645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46316 (or 46313 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 6771140769645 in words is "six trillion, seven hundred seventy-one billion, one hundred forty million, seven hundred sixty-nine thousand, six hundred forty-five".