16744542025 has 12 divisors (see below), whose sum is σ = 20777130000. Its totient is φ = 13386667280.

The previous prime is 16744541963. The next prime is 16744542047. The reversal of 16744542025 is 52024544761.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-16744542025 is a prime.

It is a super-2 number, since 2×16744542025² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 185935 + ... + 260884.

It is an arithmetic number, because the mean of its divisors is an integer number (1731427500).

Almost surely, 2^16744542025 is an apocalyptic number.

It is an amenable number.

16744542025 is a deficient number, since it is larger than the sum of its proper divisors (4032587975).

16744542025 is a wasteful number, since it uses less digits than its factorization.

16744542025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448328 (or 448323 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 16744542025 in words is "sixteen billion, seven hundred forty-four million, five hundred forty-two thousand, twenty-five".