6615134710380 has 288 divisors, whose sum is σ = 23373193334400. Its totient is φ = 1482991570944.

The previous prime is 6615134710333. The next prime is 6615134710403. The reversal of 6615134710380 is 830174315166.

6615134710380 is a `hidden beast` number, since 6 + 6 + 1 + 513 + 47 + 10 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 214281586 + ... + 214312454.

It is an arithmetic number, because the mean of its divisors is an integer number (81156921300).

Almost surely, 2^{6615134710380} is an apocalyptic number.

6615134710380 is a gapful number since it is divisible by the number (60) 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 6615134710380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11686596667200).

6615134710380 is an abundant number, since it is smaller than the sum of its proper divisors (16758058624020).

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

6615134710380 is a wasteful number, since it uses less digits than its factorization.

6615134710380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34153 (or 34148 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 6615134710380 in words is "six trillion, six hundred fifteen billion, one hundred thirty-four million, seven hundred ten thousand, three hundred eighty".