16545126455624 has 64 divisors (see below), whose sum is σ = 33750214626240. Its totient is φ = 7558139001600.

The previous prime is 16545126455573. The next prime is 16545126455639. The reversal of 16545126455624 is 42655462154561.

It is a self number, because there is not a number n which added to its sum of digits gives 16545126455624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32128379 + ... + 32639285.

It is an arithmetic number, because the mean of its divisors is an integer number (527347103535).

Almost surely, 2^{16545126455624} 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 16545126455624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16875107313120).

16545126455624 is an abundant number, since it is smaller than the sum of its proper divisors (17205088170616).

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

16545126455624 is a wasteful number, since it uses less digits than its factorization.

16545126455624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514110 (or 514106 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 56.

The spelling of 16545126455624 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, four hundred fifty-five thousand, six hundred twenty-four".