6665248968 has 128 divisors (see below), whose sum is σ = 20036056320. Its totient is φ = 1807626240.

The previous prime is 6665248943. The next prime is 6665248981. The reversal of 6665248968 is 8698425666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241780 + ... + 267932.

It is an arithmetic number, because the mean of its divisors is an integer number (156531690).

Almost surely, 2^6665248968 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 6665248968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10018028160).

6665248968 is an abundant number, since it is smaller than the sum of its proper divisors (13370807352).

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

6665248968 is a wasteful number, since it uses less digits than its factorization.

6665248968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26247 (or 26243 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 60.

The square root of 6665248968 is about 81640.9760353219. The cubic root of 6665248968 is about 1881.9386377518.

The spelling of 6665248968 in words is "six billion, six hundred sixty-five million, two hundred forty-eight thousand, nine hundred sixty-eight".