15660104344320 has 1152 divisors, whose sum is σ = 54357972480000. Its totient is φ = 3834056540160.

The previous prime is 15660104344319. The next prime is 15660104344351. The reversal of 15660104344320 is 2344340106651.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 58216001146 + ... + 58216001414.

It is an arithmetic number, because the mean of its divisors is an integer number (47185740000).

Almost surely, 2^{15660104344320} is an apocalyptic number.

15660104344320 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 15660104344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27178986240000).

15660104344320 is an abundant number, since it is smaller than the sum of its proper divisors (38697868135680).

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

15660104344320 is a wasteful number, since it uses less digits than its factorization.

15660104344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 15660104344320 in words is "fifteen trillion, six hundred sixty billion, one hundred four million, three hundred forty-four thousand, three hundred twenty".