16554605352144 has 320 divisors, whose sum is σ = 46302942850560. Its totient is φ = 5077827256320.

The previous prime is 16554605352023. The next prime is 16554605352199. The reversal of 16554605352144 is 44125350645561.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 63 ways as a sum of consecutive naturals, for example, 5575817092 + ... + 5575820060.

It is an arithmetic number, because the mean of its divisors is an integer number (144696696408).

Almost surely, 2^{16554605352144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16554605352144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23151471425280).

16554605352144 is an abundant number, since it is smaller than the sum of its proper divisors (29748337498416).

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

16554605352144 is a wasteful number, since it uses less digits than its factorization.

16554605352144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 16554605352144 in words is "sixteen trillion, five hundred fifty-four billion, six hundred five million, three hundred fifty-two thousand, one hundred forty-four".