6906016881 has 8 divisors (see below), whose sum is σ = 10231136160. Its totient is φ = 4604011236.

The previous prime is 6906016867. The next prime is 6906016907. The reversal of 6906016881 is 1886106096.

It is a happy number.

It is not a de Polignac number, because 6906016881 - 2³¹ = 4758533233 is a prime.

It is a super-2 number, since 2×6906016881² = 95386138321313936322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6906016801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127889175 + ... + 127889228.

It is an arithmetic number, because the mean of its divisors is an integer number (1278892020).

Almost surely, 2^6906016881 is an apocalyptic number.

It is an amenable number.

6906016881 is a deficient number, since it is larger than the sum of its proper divisors (3325119279).

6906016881 is a wasteful number, since it uses less digits than its factorization.

6906016881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255778412 (or 255778406 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 6906016881 is about 83102.4481047340. The cubic root of 6906016881 is about 1904.3314735232.

The spelling of 6906016881 in words is "six billion, nine hundred six million, sixteen thousand, eight hundred eighty-one".