6786466544 has 40 divisors (see below), whose sum is σ = 15447521712. Its totient is φ = 2847467520.

The previous prime is 6786466507. The next prime is 6786466597. The reversal of 6786466544 is 4456646876.

It is a super-2 number, since 2×6786466544² = 92112256305662607872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6786466544.

It is a congruent number.

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, 1480769 + ... + 1485344.

Almost surely, 2^6786466544 is an apocalyptic number.

It is an amenable number.

6786466544 is an abundant number, since it is smaller than the sum of its proper divisors (8661055168).

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

6786466544 is a wasteful number, since it uses less digits than its factorization.

6786466544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966145 (or 2966139 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 56.

The square root of 6786466544 is about 82380.0130128662. The cubic root of 6786466544 is about 1893.2787952396.

The spelling of 6786466544 in words is "six billion, seven hundred eighty-six million, four hundred sixty-six thousand, five hundred forty-four".