16523253104 has 20 divisors (see below), whose sum is σ = 32040232776. Its totient is φ = 8254805952.

The previous prime is 16523253101. The next prime is 16523253161. The reversal of 16523253104 is 40135232561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16523253101) 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 3 ways as a sum of consecutive naturals, for example, 406274 + ... + 445089.

Almost surely, 2^16523253104 is an apocalyptic number.

It is an amenable number.

16523253104 is a deficient number, since it is larger than the sum of its proper divisors (15516979672).

16523253104 is a wasteful number, since it uses less digits than its factorization.

16523253104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852584 (or 852578 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 16523253104 its reverse (40135232561), we get a palindrome (56658485665).

The spelling of 16523253104 in words is "sixteen billion, five hundred twenty-three million, two hundred fifty-three thousand, one hundred four".