2681416656 has 40 divisors (see below), whose sum is σ = 7696660160. Its totient is φ = 893805408.

The previous prime is 2681416649. The next prime is 2681416669. The reversal of 2681416656 is 6566141862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3103060 + ... + 3103923.

It is an arithmetic number, because the mean of its divisors is an integer number (192416504).

Almost surely, 2^2681416656 is an apocalyptic number.

It is an amenable number.

2681416656 is an abundant number, since it is smaller than the sum of its proper divisors (5015243504).

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

2681416656 is a wasteful number, since it uses less digits than its factorization.

2681416656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207000 (or 6206988 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2681416656 is about 51782.3971635149. The cubic root of 2681416656 is about 1389.2746169468.

The spelling of 2681416656 in words is "two billion, six hundred eighty-one million, four hundred sixteen thousand, six hundred fifty-six".