6677539344 has 160 divisors (see below), whose sum is σ = 23193872640. Its totient is φ = 1795627008.

The previous prime is 6677539343. The next prime is 6677539367. The reversal of 6677539344 is 4439357766.

It is a happy number.

6677539344 is a `hidden beast` number, since 6 + 6 + 77 + 539 + 34 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6677539343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13539 + ... + 116354.

It is an arithmetic number, because the mean of its divisors is an integer number (144961704).

Almost surely, 2^6677539344 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 6677539344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11596936320).

6677539344 is an abundant number, since it is smaller than the sum of its proper divisors (16516333296).

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

6677539344 is a wasteful number, since it uses less digits than its factorization.

6677539344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129934 (or 129922 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 54.

The square root of 6677539344 is about 81716.2122470199. The cubic root of 6677539344 is about 1883.0946601522.

The spelling of 6677539344 in words is "six billion, six hundred seventy-seven million, five hundred thirty-nine thousand, three hundred forty-four".