6898197841920 has 2016 divisors, whose sum is σ = 31202513858880. Its totient is φ = 1432077926400.

The previous prime is 6898197841919. The next prime is 6898197841921. The reversal of 6898197841920 is 291487918986.

6898197841920 is a `hidden beast` number, since 68 + 9 + 81 + 9 + 78 + 419 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6898197841919) and next prime (6898197841921).

It is a tau number, because it is divible by the number of its divisors (2016).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (6898197841921) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 6322820575 + ... + 6322821665.

It is an arithmetic number, because the mean of its divisors is an integer number (15477437430).

Almost surely, 2^{6898197841920} is an apocalyptic number.

6898197841920 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 6898197841920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15601256929440).

6898197841920 is an abundant number, since it is smaller than the sum of its proper divisors (24304316016960).

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

6898197841920 is a wasteful number, since it uses less digits than its factorization.

6898197841920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 72.

The spelling of 6898197841920 in words is "six trillion, eight hundred ninety-eight billion, one hundred ninety-seven million, eight hundred forty-one thousand, nine hundred twenty".