16255055021400 has 288 divisors, whose sum is σ = 58800960560160. Its totient is φ = 4000438149120.

The previous prime is 16255055021339. The next prime is 16255055021417. The reversal of 16255055021400 is 412055055261.

16255055021400 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 5 + 0 + 5 + 502 + 140 + 0 = 666.

16255055021400 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 120512797 + ... + 120647603.

It is an arithmetic number, because the mean of its divisors is an integer number (204170001945).

Almost surely, 2^{16255055021400} is an apocalyptic number.

16255055021400 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 16255055021400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29400480280080).

16255055021400 is an abundant number, since it is smaller than the sum of its proper divisors (42545905538760).

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

16255055021400 is a wasteful number, since it uses less digits than its factorization.

16255055021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139995 (or 139983 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 16255055021400 in words is "sixteen trillion, two hundred fifty-five billion, fifty-five million, twenty-one thousand, four hundred".