6703551081 has 12 divisors (see below), whose sum is σ = 9683648052. Its totient is φ = 4468692096.

The previous prime is 6703551047. The next prime is 6703551097. The reversal of 6703551081 is 1801553076.

6703551081 is a `hidden beast` number, since 67 + 0 + 3 + 5 + 510 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2286752400 + 4416798681 = 47820^2 + 66459^2 .

It is not a de Polignac number, because 6703551081 - 2¹⁰ = 6703550057 is a prime.

It is a super-2 number, since 2×6703551081² = 89875194191152537122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6703511081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164325 + ... + 201021.

It is an arithmetic number, because the mean of its divisors is an integer number (806970671).

Almost surely, 2^6703551081 is an apocalyptic number.

It is an amenable number.

6703551081 is a deficient number, since it is larger than the sum of its proper divisors (2980096971).

6703551081 is a wasteful number, since it uses less digits than its factorization.

6703551081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57000 (or 56997 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 6703551081 is about 81875.2165249045. The cubic root of 6703551081 is about 1885.5366324349.

The spelling of 6703551081 in words is "six billion, seven hundred three million, five hundred fifty-one thousand, eighty-one".