6685671580 has 48 divisors (see below), whose sum is σ = 16238960640. Its totient is φ = 2264609088.

The previous prime is 6685671547. The next prime is 6685671593. The reversal of 6685671580 is 851765866.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276060 + ... + 299299.

It is an arithmetic number, because the mean of its divisors is an integer number (338311680).

Almost surely, 2^6685671580 is an apocalyptic number.

It is an amenable number.

6685671580 is an abundant number, since it is smaller than the sum of its proper divisors (9553289060).

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

6685671580 is a wasteful number, since it uses less digits than its factorization.

6685671580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575458 (or 575456 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 6685671580 is about 81765.9561186684. The cubic root of 6685671580 is about 1883.8587918171.

The spelling of 6685671580 in words is "six billion, six hundred eighty-five million, six hundred seventy-one thousand, five hundred eighty".