7181660160 has 312 divisors, whose sum is σ = 25453696320. Its totient is φ = 1872101376.

The previous prime is 7181660117. The next prime is 7181660201. The reversal of 7181660160 is 610661817.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8662626 + ... + 8663454.

It is an arithmetic number, because the mean of its divisors is an integer number (81582360).

Almost surely, 2^7181660160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7181660160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12726848160).

7181660160 is an abundant number, since it is smaller than the sum of its proper divisors (18272036160).

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

7181660160 is a wasteful number, since it uses less digits than its factorization.

7181660160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 7181660160 is about 84744.6762929684. The cubic root of 7181660160 is about 1929.3378454610.

The spelling of 7181660160 in words is "seven billion, one hundred eighty-one million, six hundred sixty thousand, one hundred sixty".