6675644160 has 540 divisors, whose sum is σ = 25050458664. Its totient is φ = 1697034240.

The previous prime is 6675644141. The next prime is 6675644179. The reversal of 6675644160 is 614465766.

It is an interprime number because it is at equal distance from previous prime (6675644141) and next prime (6675644179).

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 99636447 + ... + 99636513.

Almost surely, 2^6675644160 is an apocalyptic number.

6675644160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6675644160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12525229332).

6675644160 is an abundant number, since it is smaller than the sum of its proper divisors (18374814504).

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

6675644160 is an equidigital number, since it uses as much as digits as its factorization.

6675644160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 6675644160 is about 81704.6152919160. The cubic root of 6675644160 is about 1882.9164932973.

The spelling of 6675644160 in words is "six billion, six hundred seventy-five million, six hundred forty-four thousand, one hundred sixty".