2866985515680 has 1536 divisors, whose sum is σ = 11443156623360. Its totient is φ = 593365893120.

The previous prime is 2866985515673. The next prime is 2866985515711. The reversal of 2866985515680 is 865155896682.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10657938586 + ... + 10657938854.

It is an arithmetic number, because the mean of its divisors is an integer number (7449971760).

Almost surely, 2^{2866985515680} is an apocalyptic number.

2866985515680 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 2866985515680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5721578311680).

2866985515680 is an abundant number, since it is smaller than the sum of its proper divisors (8576171107680).

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

2866985515680 is a wasteful number, since it uses less digits than its factorization.

2866985515680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 248832000, while the sum is 69.

The spelling of 2866985515680 in words is "two trillion, eight hundred sixty-six billion, nine hundred eighty-five million, five hundred fifteen thousand, six hundred eighty".