13281750660 has 96 divisors (see below), whose sum is σ = 38980730880. Its totient is φ = 3372538752.

The previous prime is 13281750653. The next prime is 13281750697. The reversal of 13281750660 is 6605718231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286161 + ... + 329319.

It is an arithmetic number, because the mean of its divisors is an integer number (406049280).

Almost surely, 2^13281750660 is an apocalyptic number.

13281750660 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 13281750660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19490365440).

13281750660 is an abundant number, since it is smaller than the sum of its proper divisors (25698980220).

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

13281750660 is a wasteful number, since it uses less digits than its factorization.

13281750660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43417 (or 43415 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 13281750660 in words is "thirteen billion, two hundred eighty-one million, seven hundred fifty thousand, six hundred sixty".