6621104160 has 192 divisors, whose sum is σ = 25280760960. Its totient is φ = 1605104640.

The previous prime is 6621104153. The next prime is 6621104207. The reversal of 6621104160 is 614011266.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 22147 + ... + 117186.

It is an arithmetic number, because the mean of its divisors is an integer number (131670630).

Almost surely, 2^6621104160 is an apocalyptic number.

6621104160 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 6621104160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12640380480).

6621104160 is an abundant number, since it is smaller than the sum of its proper divisors (18659656800).

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

6621104160 is a wasteful number, since it uses less digits than its factorization.

6621104160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139368 (or 139354 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 6621104160 is about 81370.1675062796. The cubic root of 6621104160 is about 1877.7746567905.

The spelling of 6621104160 in words is "six billion, six hundred twenty-one million, one hundred four thousand, one hundred sixty".