13057011660 has 192 divisors, whose sum is σ = 47980154880. Its totient is φ = 2570330880.

The previous prime is 13057011647. The next prime is 13057011727. The reversal of 13057011660 is 6611075031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13407 + ... + 162153.

It is an arithmetic number, because the mean of its divisors is an integer number (249896640).

Almost surely, 2^13057011660 is an apocalyptic number.

13057011660 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 13057011660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23990077440).

13057011660 is an abundant number, since it is smaller than the sum of its proper divisors (34923143220).

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

13057011660 is a wasteful number, since it uses less digits than its factorization.

13057011660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148796 (or 148794 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

Adding to 13057011660 its reverse (6611075031), we get a palindrome (19668086691).

The spelling of 13057011660 in words is "thirteen billion, fifty-seven million, eleven thousand, six hundred sixty".