2730815656660 has 192 divisors, whose sum is σ = 7215314319360. Its totient is φ = 845044346880.

The previous prime is 2730815656553. The next prime is 2730815656727. The reversal of 2730815656660 is 666565180372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90742896 + ... + 90772984.

It is an arithmetic number, because the mean of its divisors is an integer number (37579762080).

Almost surely, 2^{2730815656660} is an apocalyptic number.

2730815656660 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 2730815656660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3607657159680).

2730815656660 is an abundant number, since it is smaller than the sum of its proper divisors (4484498662700).

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

2730815656660 is a wasteful number, since it uses less digits than its factorization.

2730815656660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31226 (or 31224 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

It can be divided in two parts, 273081 and 5656660, that added together give a cube (5929741 = 181³).

The spelling of 2730815656660 in words is "two trillion, seven hundred thirty billion, eight hundred fifteen million, six hundred fifty-six thousand, six hundred sixty".