7081681560 has 32 divisors (see below), whose sum is σ = 21245045040. Its totient is φ = 1888448384.

The previous prime is 7081681547. The next prime is 7081681583. The reversal of 7081681560 is 651861807.

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, 29506887 + ... + 29507126.

Almost surely, 2^7081681560 is an apocalyptic number.

It is an amenable number.

7081681560 is an abundant number, since it is smaller than the sum of its proper divisors (14163363480).

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

7081681560 is a wasteful number, since it uses less digits than its factorization.

7081681560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59014027 (or 59014023 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 7081681560 is about 84152.7275850284. The cubic root of 7081681560 is about 1920.3429617380.

The spelling of 7081681560 in words is "seven billion, eighty-one million, six hundred eighty-one thousand, five hundred sixty".