2706660981 has 8 divisors (see below), whose sum is σ = 4009868160. Its totient is φ = 1804440636.

The previous prime is 2706660919. The next prime is 2706660989. The reversal of 2706660981 is 1890666072.

2706660981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2706660981 - 2¹⁴ = 2706644597 is a prime.

It is a super-2 number, since 2×2706660981² = 14652027332135764722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706660989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50123325 + ... + 50123378.

It is an arithmetic number, because the mean of its divisors is an integer number (501233520).

Almost surely, 2^2706660981 is an apocalyptic number.

It is an amenable number.

2706660981 is a deficient number, since it is larger than the sum of its proper divisors (1303207179).

2706660981 is a wasteful number, since it uses less digits than its factorization.

2706660981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100246712 (or 100246706 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2706660981 is about 52025.5800640416. The cubic root of 2706660981 is about 1393.6208036020.

The spelling of 2706660981 in words is "two billion, seven hundred six million, six hundred sixty thousand, nine hundred eighty-one".