16040352525 has 24 divisors (see below), whose sum is σ = 26524507680. Its totient is φ = 8553416640.

The previous prime is 16040352521. The next prime is 16040352563. The reversal of 16040352525 is 52525304061.

16040352525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16040352525 - 2² = 16040352521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16040352521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550011 + ... + 578439.

It is an arithmetic number, because the mean of its divisors is an integer number (1105187820).

Almost surely, 2^16040352525 is an apocalyptic number.

16040352525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16040352525 is a deficient number, since it is larger than the sum of its proper divisors (10484155155).

16040352525 is a wasteful number, since it uses less digits than its factorization.

16040352525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35965 (or 35960 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 16040352525 its reverse (52525304061), we get a palindrome (68565656586).

The spelling of 16040352525 in words is "sixteen billion, forty million, three hundred fifty-two thousand, five hundred twenty-five".