13161660800 has 96 divisors (see below), whose sum is σ = 32557090320. Its totient is φ = 5257594880.

The previous prime is 13161660769. The next prime is 13161660803. The reversal of 13161660800 is 806616131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161660803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2836082 + ... + 2840718.

Almost surely, 2^13161660800 is an apocalyptic number.

13161660800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13161660800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16278545160).

13161660800 is an abundant number, since it is smaller than the sum of its proper divisors (19395429520).

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

13161660800 is an equidigital number, since it uses as much as digits as its factorization.

13161660800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 13161660800 in words is "thirteen billion, one hundred sixty-one million, six hundred sixty thousand, eight hundred".