16860368268 has 96 divisors (see below), whose sum is σ = 44834065920. Its totient is φ = 5477284800.

The previous prime is 16860368209. The next prime is 16860368279. The reversal of 16860368268 is 86286306861.

16860368268 is a `hidden beast` number, since 1 + 6 + 8 + 603 + 6 + 8 + 26 + 8 = 666.

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 31 ways as a sum of consecutive naturals, for example, 854571 + ... + 874077.

It is an arithmetic number, because the mean of its divisors is an integer number (467021520).

Almost surely, 2^16860368268 is an apocalyptic number.

16860368268 is a gapful number since it is divisible by the number (18) 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 16860368268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22417032960).

16860368268 is an abundant number, since it is smaller than the sum of its proper divisors (27973697652).

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

16860368268 is a wasteful number, since it uses less digits than its factorization.

16860368268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19724 (or 19716 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 16860368268 in words is "sixteen billion, eight hundred sixty million, three hundred sixty-eight thousand, two hundred sixty-eight".