11653544416 has 24 divisors (see below), whose sum is σ = 23110390800. Its totient is φ = 5784238848.

The previous prime is 11653544393. The next prime is 11653544443. The reversal of 11653544416 is 61444535611.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1324716 + ... + 1333483.

It is an arithmetic number, because the mean of its divisors is an integer number (962932950).

Almost surely, 2^11653544416 is an apocalyptic number.

11653544416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11653544416 is a deficient number, since it is larger than the sum of its proper divisors (11456846384).

11653544416 is a wasteful number, since it uses less digits than its factorization.

11653544416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658346 (or 2658338 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The spelling of 11653544416 in words is "eleven billion, six hundred fifty-three million, five hundred forty-four thousand, four hundred sixteen".