16778080352880 has 3840 divisors, whose sum is σ = 78868552089600. Its totient is φ = 3281073868800.

The previous prime is 16778080352827. The next prime is 16778080352909. The reversal of 16778080352880 is 8825308087761.

16778080352880 is a `hidden beast` number, since 1 + 67 + 78 + 0 + 80 + 352 + 8 + 80 = 666.

16778080352880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 106866753762 + ... + 106866753918.

It is an arithmetic number, because the mean of its divisors is an integer number (20538685440).

Almost surely, 2^{16778080352880} is an apocalyptic number.

16778080352880 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 16778080352880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39434276044800).

16778080352880 is an abundant number, since it is smaller than the sum of its proper divisors (62090471736720).

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

16778080352880 is a wasteful number, since it uses less digits than its factorization.

16778080352880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 16778080352880 in words is "sixteen trillion, seven hundred seventy-eight billion, eighty million, three hundred fifty-two thousand, eight hundred eighty".