2860531666560 has 320 divisors, whose sum is σ = 10753135351200. Its totient is φ = 722660382720.

The previous prime is 2860531666493. The next prime is 2860531666589. The reversal of 2860531666560 is 656661350682.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2860531666497 and 2860531666506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 467146 + ... + 2437065.

Almost surely, 2^{2860531666560} is an apocalyptic number.

2860531666560 is a gapful number since it is divisible by the number (20) 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 2860531666560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5376567675600).

2860531666560 is an abundant number, since it is smaller than the sum of its proper divisors (7892603684640).

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

2860531666560 is a wasteful number, since it uses less digits than its factorization.

2860531666560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904261 (or 2904240 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 2860531666560 in words is "two trillion, eight hundred sixty billion, five hundred thirty-one million, six hundred sixty-six thousand, five hundred sixty".