16839116763840 has 1344 divisors, whose sum is σ = 71760648960000. Its totient is φ = 3612473303040.

The previous prime is 16839116763839. The next prime is 16839116763941. The reversal of 16839116763840 is 4836761193861.

16839116763840 is a `hidden beast` number, since 1 + 6 + 8 + 3 + 91 + 167 + 6 + 384 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2045812525 + ... + 2045820755.

It is an arithmetic number, because the mean of its divisors is an integer number (53393340000).

Almost surely, 2^{16839116763840} is an apocalyptic number.

16839116763840 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 16839116763840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35880324480000).

16839116763840 is an abundant number, since it is smaller than the sum of its proper divisors (54921532196160).

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

16839116763840 is a wasteful number, since it uses less digits than its factorization.

16839116763840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403 (or 8376 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 16839116763840 in words is "sixteen trillion, eight hundred thirty-nine billion, one hundred sixteen million, seven hundred sixty-three thousand, eight hundred forty".