13635568416 has 48 divisors (see below), whose sum is σ = 35804952288. Its totient is φ = 4543718400.

The previous prime is 13635568409. The next prime is 13635568421. The reversal of 13635568416 is 61486553631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298456 + ... + 341096.

It is an arithmetic number, because the mean of its divisors is an integer number (745936506).

Almost surely, 2^13635568416 is an apocalyptic number.

13635568416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13635568416 is an abundant number, since it is smaller than the sum of its proper divisors (22169383872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13635568416 is a wasteful number, since it uses less digits than its factorization.

13635568416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45985 (or 45977 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The spelling of 13635568416 in words is "thirteen billion, six hundred thirty-five million, five hundred sixty-eight thousand, four hundred sixteen".