6670131840 has 256 divisors, whose sum is σ = 23801904000. Its totient is φ = 1765269504.

The previous prime is 6670131829. The next prime is 6670131851. The reversal of 6670131840 is 481310766.

It is an interprime number because it is at equal distance from previous prime (6670131829) and next prime (6670131851).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6670131795 and 6670131804.

It is an unprimeable number.

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, 2400532 + ... + 2403308.

Almost surely, 2^6670131840 is an apocalyptic number.

6670131840 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 6670131840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11900952000).

6670131840 is an abundant number, since it is smaller than the sum of its proper divisors (17131772160).

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

6670131840 is a wasteful number, since it uses less digits than its factorization.

6670131840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6670131840 is about 81670.8751024501. The cubic root of 6670131840 is about 1882.3980865766.

The spelling of 6670131840 in words is "six billion, six hundred seventy million, one hundred thirty-one thousand, eight hundred forty".