6726178512 has 120 divisors (see below), whose sum is σ = 19834099584. Its totient is φ = 2123649792.

The previous prime is 6726178477. The next prime is 6726178519. The reversal of 6726178512 is 2158716276.

6726178512 is a `hidden beast` number, since 6 + 7 + 2 + 61 + 78 + 512 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6726178519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331278 + ... + 350994.

Almost surely, 2^6726178512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6726178512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9917049792).

6726178512 is an abundant number, since it is smaller than the sum of its proper divisors (13107921072).

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

6726178512 is a wasteful number, since it uses less digits than its factorization.

6726178512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19857 (or 19848 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 6726178512 is about 82013.2825339896. The cubic root of 6726178512 is about 1887.6557548296.

The spelling of 6726178512 in words is "six billion, seven hundred twenty-six million, one hundred seventy-eight thousand, five hundred twelve".