6898906560 has 448 divisors, whose sum is σ = 27184453632. Its totient is φ = 1443446784.

The previous prime is 6898906559. The next prime is 6898906571. The reversal of 6898906560 is 656098986.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×6898906560² = 95189823447222067200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6898906560.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13715269 + ... + 13715771.

It is an arithmetic number, because the mean of its divisors is an integer number (60679584).

Almost surely, 2^6898906560 is an apocalyptic number.

6898906560 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 6898906560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13592226816).

6898906560 is an abundant number, since it is smaller than the sum of its proper divisors (20285547072).

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

6898906560 is a wasteful number, since it uses less digits than its factorization.

6898906560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The square root of 6898906560 is about 83059.6566330490. The cubic root of 6898906560 is about 1903.6776930129.

The spelling of 6898906560 in words is "six billion, eight hundred ninety-eight million, nine hundred six thousand, five hundred sixty".