6771622439616 has 56 divisors (see below), whose sum is σ = 18494538722304. Its totient is φ = 2184394333440.

The previous prime is 6771622439609. The next prime is 6771622439623. The reversal of 6771622439616 is 6169342261776.

It is an interprime number because it is at equal distance from previous prime (6771622439609) and next prime (6771622439623).

It is a self number, because there is not a number n which added to its sum of digits gives 6771622439616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568846740 + ... + 568858643.

Almost surely, 2^{6771622439616} is an apocalyptic number.

It is an amenable number.

6771622439616 is an abundant number, since it is smaller than the sum of its proper divisors (11722916282688).

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

6771622439616 is a wasteful number, since it uses less digits than its factorization.

6771622439616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137705429 (or 1137705419 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 60.

The spelling of 6771622439616 in words is "six trillion, seven hundred seventy-one billion, six hundred twenty-two million, four hundred thirty-nine thousand, six hundred sixteen".