14640816525 has 24 divisors (see below), whose sum is σ = 24269399040. Its totient is φ = 7788032640.

The previous prime is 14640816467. The next prime is 14640816539. The reversal of 14640816525 is 52561804641.

It is not a de Polignac number, because 14640816525 - 2⁶ = 14640816461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226120 + ... + 283569.

It is an arithmetic number, because the mean of its divisors is an integer number (1011224960).

Almost surely, 2^14640816525 is an apocalyptic number.

14640816525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14640816525 is a deficient number, since it is larger than the sum of its proper divisors (9628582515).

14640816525 is a wasteful number, since it uses less digits than its factorization.

14640816525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510085 (or 510080 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 14640816525 in words is "fourteen billion, six hundred forty million, eight hundred sixteen thousand, five hundred twenty-five".