16968913284540 has 384 divisors, whose sum is σ = 55766811985920. Its totient is φ = 3775121805312.

The previous prime is 16968913284473. The next prime is 16968913284569. The reversal of 16968913284540 is 4548231986961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2386958506 + ... + 2386965614.

It is an arithmetic number, because the mean of its divisors is an integer number (145226072880).

Almost surely, 2^{16968913284540} is an apocalyptic number.

16968913284540 is a gapful number since it is divisible by the number (10) 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 16968913284540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27883405992960).

16968913284540 is an abundant number, since it is smaller than the sum of its proper divisors (38797898701380).

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

16968913284540 is a wasteful number, since it uses less digits than its factorization.

16968913284540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021 (or 8019 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 16968913284540 in words is "sixteen trillion, nine hundred sixty-eight billion, nine hundred thirteen million, two hundred eighty-four thousand, five hundred forty".