6201818880 has 288 divisors, whose sum is σ = 21015590400. Its totient is φ = 1554333696.

The previous prime is 6201818849. The next prime is 6201818891. The reversal of 6201818880 is 888181026.

It is a congruent number.

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, 12184066 + ... + 12184574.

It is an arithmetic number, because the mean of its divisors is an integer number (72970800).

Almost surely, 2^6201818880 is an apocalyptic number.

6201818880 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 6201818880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10507795200).

6201818880 is an abundant number, since it is smaller than the sum of its proper divisors (14813771520).

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

6201818880 is a wasteful number, since it uses less digits than its factorization.

6201818880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 42.

The square root of 6201818880 is about 78751.6277927003. The cubic root of 6201818880 is about 1837.2701801516.

The spelling of 6201818880 in words is "six billion, two hundred one million, eight hundred eighteen thousand, eight hundred eighty".