13234155660 has 144 divisors (see below), whose sum is σ = 44725105152. Its totient is φ = 3139996800.

The previous prime is 13234155653. The next prime is 13234155691. The reversal of 13234155660 is 6655143231.

13234155660 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 41 + 556 + 60 = 666.

It is a super-2 number, since 2×13234155660² (a number of 21 digits) contains 22 as substring.

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

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 47 ways as a sum of consecutive naturals, for example, 21955 + ... + 164165.

It is an arithmetic number, because the mean of its divisors is an integer number (310591008).

Almost surely, 2^13234155660 is an apocalyptic number.

13234155660 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 13234155660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22362552576).

13234155660 is an abundant number, since it is smaller than the sum of its proper divisors (31490949492).

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

13234155660 is a wasteful number, since it uses less digits than its factorization.

13234155660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142284 (or 142279 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 13234155660 its reverse (6655143231), we get a palindrome (19889298891).

The spelling of 13234155660 in words is "thirteen billion, two hundred thirty-four million, one hundred fifty-five thousand, six hundred sixty".