6685124160 has 672 divisors, whose sum is σ = 26560759680. Its totient is φ = 1411153920.

The previous prime is 6685124153. The next prime is 6685124189. The reversal of 6685124160 is 614215866.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28691404 + ... + 28691636.

It is an arithmetic number, because the mean of its divisors is an integer number (39524940).

Almost surely, 2^6685124160 is an apocalyptic number.

6685124160 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 6685124160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13280379840).

6685124160 is an abundant number, since it is smaller than the sum of its proper divisors (19875635520).

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

6685124160 is a wasteful number, since it uses less digits than its factorization.

6685124160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 6685124160 is about 81762.6085689541. The cubic root of 6685124160 is about 1883.8073738897.

The spelling of 6685124160 in words is "six billion, six hundred eighty-five million, one hundred twenty-four thousand, one hundred sixty".