16554013120 has 224 divisors, whose sum is σ = 41585448960. Its totient is φ = 6270566400.

The previous prime is 16554013111. The next prime is 16554013127. The reversal of 16554013120 is 2131045561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16554013127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130346497 + ... + 130346623.

Almost surely, 2^16554013120 is an apocalyptic number.

16554013120 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 16554013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20792724480).

16554013120 is an abundant number, since it is smaller than the sum of its proper divisors (25031435840).

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

16554013120 is a wasteful number, since it uses less digits than its factorization.

16554013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 16554013120 its reverse (2131045561), we get a palindrome (18685058681).

The spelling of 16554013120 in words is "sixteen billion, five hundred fifty-four million, thirteen thousand, one hundred twenty".