6654433320 has 96 divisors (see below), whose sum is σ = 21636992520. Its totient is φ = 1773688320.

The previous prime is 6654433271. The next prime is 6654433321. The reversal of 6654433320 is 233344566.

6654433320 is a `hidden beast` number, since 66 + 544 + 3 + 33 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2002920516 + 4651512804 = 44754^2 + 68202^2 .

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

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6654433321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1445262 + ... + 1449858.

Almost surely, 2^6654433320 is an apocalyptic number.

6654433320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6654433320 is an abundant number, since it is smaller than the sum of its proper divisors (14982559200).

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

6654433320 is a wasteful number, since it uses less digits than its factorization.

6654433320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635 (or 8628 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 6654433320 is about 81574.7100515840. The cubic root of 6654433320 is about 1880.9201508940.

Adding to 6654433320 its reverse (233344566), we get a palindrome (6887777886).

The spelling of 6654433320 in words is "six billion, six hundred fifty-four million, four hundred thirty-three thousand, three hundred twenty".