16455588997120 has 1152 divisors, whose sum is σ = 54073523911680. Its totient is φ = 4742468075520.

The previous prime is 16455588997091. The next prime is 16455588997229. The reversal of 16455588997120 is 2179988555461.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 16455588997120.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3437555367 + ... + 3437560153.

It is an arithmetic number, because the mean of its divisors is an integer number (46938822840).

Almost surely, 2^{16455588997120} is an apocalyptic number.

16455588997120 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 16455588997120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27036761955840).

16455588997120 is an abundant number, since it is smaller than the sum of its proper divisors (37617934914560).

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

16455588997120 is a wasteful number, since it uses less digits than its factorization.

16455588997120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889 (or 4862 counting only the distinct ones).

The product of its (nonzero) digits is 217728000, while the sum is 70.

The spelling of 16455588997120 in words is "sixteen trillion, four hundred fifty-five billion, five hundred eighty-eight million, nine hundred ninety-seven thousand, one hundred twenty".