16044778485120 has 2048 divisors, whose sum is σ = 69013389312000. Its totient is φ = 3137605632000.

The previous prime is 16044778485107. The next prime is 16044778485137. The reversal of 16044778485120 is 2158487744061.

It is a super-2 number, since 2×16044778485120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8309050555 + ... + 8309052485.

It is an arithmetic number, because the mean of its divisors is an integer number (33697944000).

Almost surely, 2^{16044778485120} is an apocalyptic number.

16044778485120 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 16044778485120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34506694656000).

16044778485120 is an abundant number, since it is smaller than the sum of its proper divisors (52968610826880).

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

16044778485120 is a wasteful number, since it uses less digits than its factorization.

16044778485120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 16044778485120 in words is "sixteen trillion, forty-four billion, seven hundred seventy-eight million, four hundred eighty-five thousand, one hundred twenty".