13610535660 has 144 divisors (see below), whose sum is σ = 43146177984. Its totient is φ = 3466366464.

The previous prime is 13610535649. The next prime is 13610535691. The reversal of 13610535660 is 6653501631.

13610535660 is a `hidden beast` number, since 1 + 3 + 61 + 0 + 535 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3198094 + ... + 3202346.

It is an arithmetic number, because the mean of its divisors is an integer number (299626236).

Almost surely, 2^13610535660 is an apocalyptic number.

13610535660 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 13610535660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21573088992).

13610535660 is an abundant number, since it is smaller than the sum of its proper divisors (29535642324).

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

13610535660 is a wasteful number, since it uses less digits than its factorization.

13610535660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 13610535660 in words is "thirteen billion, six hundred ten million, five hundred thirty-five thousand, six hundred sixty".