6891869116 has 18 divisors (see below), whose sum is σ = 13256881400. Its totient is φ = 3132667560.

The previous prime is 6891869099. The next prime is 6891869123. The reversal of 6891869116 is 6119681986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7119216 + ... + 7120183.

Almost surely, 2^6891869116 is an apocalyptic number.

It is an amenable number.

6891869116 is a deficient number, since it is larger than the sum of its proper divisors (6365012284).

6891869116 is a wasteful number, since it uses less digits than its factorization.

6891869116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14239425 (or 14239412 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 55.

The square root of 6891869116 is about 83017.2820321167. The cubic root of 6891869116 is about 1903.0301709273.

The spelling of 6891869116 in words is "six billion, eight hundred ninety-one million, eight hundred sixty-nine thousand, one hundred sixteen".