16939346039280 has 640 divisors, whose sum is σ = 67653167063040. Its totient is φ = 3863358664704.

The previous prime is 16939346039261. The next prime is 16939346039281. The reversal of 16939346039280 is 8293064393961.

16939346039280 is a `hidden beast` number, since 1 + 6 + 9 + 3 + 9 + 3 + 460 + 3 + 92 + 80 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16939346039281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 567030424 + ... + 567060296.

It is an arithmetic number, because the mean of its divisors is an integer number (105708073536).

Almost surely, 2^{16939346039280} is an apocalyptic number.

16939346039280 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 16939346039280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33826583531520).

16939346039280 is an abundant number, since it is smaller than the sum of its proper divisors (50713821023760).

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

16939346039280 is an equidigital number, since it uses as much as digits as its factorization.

16939346039280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30377 (or 30353 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 16939346039280 in words is "sixteen trillion, nine hundred thirty-nine billion, three hundred forty-six million, thirty-nine thousand, two hundred eighty".