16424534745 has 48 divisors (see below), whose sum is σ = 28985608080. Its totient is φ = 8602288128.

The previous prime is 16424534741. The next prime is 16424534759. The reversal of 16424534745 is 54743542461.

16424534745 is a `hidden beast` number, since 1 + 6 + 42 + 4 + 534 + 74 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 51796809 + 16372737936 = 7197^2 + 127956^2 .

It is not a de Polignac number, because 16424534745 - 2² = 16424534741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16424534745.

It is not an unprimeable number, because it can be changed into a prime (16424534741) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 539449 + ... + 569081.

It is an arithmetic number, because the mean of its divisors is an integer number (603866835).

Almost surely, 2^16424534745 is an apocalyptic number.

16424534745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16424534745 is a deficient number, since it is larger than the sum of its proper divisors (12561073335).

16424534745 is a wasteful number, since it uses less digits than its factorization.

16424534745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29866 (or 29863 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 16424534745 in words is "sixteen billion, four hundred twenty-four million, five hundred thirty-four thousand, seven hundred forty-five".