13061610660 has 96 divisors (see below), whose sum is σ = 42228184320.
Its totient is φ = 2954723328.
The previous prime is 13061610659. The next prime is 13061610689. The reversal of 13061610660 is 6601616031.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119565 + ... + 201044.
It is an arithmetic number, because the mean of its divisors is an integer number (439876920).
Almost surely, 213061610660 is an apocalyptic number.
13061610660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13061610660 is an abundant number, since it is smaller than the sum of its proper divisors (29166573660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13061610660 is a wasteful number, since it uses less digits than its factorization.
13061610660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320725 (or 320723 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The spelling of 13061610660 in words is "thirteen billion, sixty-one million, six hundred ten thousand, six hundred sixty".