15805141660 has 192 divisors, whose sum is σ = 43198977024. Its totient is φ = 4714444800.

The previous prime is 15805141643. The next prime is 15805141673. The reversal of 15805141660 is 6614150851.

It is a congruent number.

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, 3344059 + ... + 3348781.

It is an arithmetic number, because the mean of its divisors is an integer number (224994672).

Almost surely, 2^15805141660 is an apocalyptic number.

15805141660 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 15805141660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21599488512).

15805141660 is an abundant number, since it is smaller than the sum of its proper divisors (27393835364).

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

15805141660 is a wasteful number, since it uses less digits than its factorization.

15805141660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4842 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 15805141660 in words is "fifteen billion, eight hundred five million, one hundred forty-one thousand, six hundred sixty".