6653361920 has 144 divisors (see below), whose sum is σ = 16506510048. Its totient is φ = 2567700480.

The previous prime is 6653361919. The next prime is 6653361947. The reversal of 6653361920 is 291633566.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5089907 + ... + 5091213.

It is an arithmetic number, because the mean of its divisors is an integer number (114628542).

Almost surely, 2^6653361920 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 6653361920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8253255024).

6653361920 is an abundant number, since it is smaller than the sum of its proper divisors (9853148128).

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

6653361920 is a wasteful number, since it uses less digits than its factorization.

6653361920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 6653361920 is about 81568.1428009735. The cubic root of 6653361920 is about 1880.8191993470.

The spelling of 6653361920 in words is "six billion, six hundred fifty-three million, three hundred sixty-one thousand, nine hundred twenty".