6619358880 has 288 divisors, whose sum is σ = 23817725568. Its totient is φ = 1735603200.

The previous prime is 6619358873. The next prime is 6619358903. The reversal of 6619358880 is 888539166.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2370285 + ... + 2373075.

It is an arithmetic number, because the mean of its divisors is an integer number (82700436).

Almost surely, 2^6619358880 is an apocalyptic number.

6619358880 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 6619358880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11908862784).

6619358880 is an abundant number, since it is smaller than the sum of its proper divisors (17198366688).

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

6619358880 is a wasteful number, since it uses less digits than its factorization.

6619358880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 6619358880 is about 81359.4424759659. The cubic root of 6619358880 is about 1877.6096525621.

The spelling of 6619358880 in words is "six billion, six hundred nineteen million, three hundred fifty-eight thousand, eight hundred eighty".