6665062320 has 360 divisors, whose sum is σ = 27006177744. Its totient is φ = 1523225088.

The previous prime is 6665062319. The next prime is 6665062333. The reversal of 6665062320 is 232605666.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 949062 + ... + 956058.

Almost surely, 2^6665062320 is an apocalyptic number.

6665062320 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 6665062320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13503088872).

6665062320 is an abundant number, since it is smaller than the sum of its proper divisors (20341115424).

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

6665062320 is a wasteful number, since it uses less digits than its factorization.

6665062320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039 (or 7014 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 6665062320 is about 81639.8329248658. The cubic root of 6665062320 is about 1881.9210708480.

Adding to 6665062320 its reverse (232605666), we get a palindrome (6897667986).

The spelling of 6665062320 in words is "six billion, six hundred sixty-five million, sixty-two thousand, three hundred twenty".