6893157816 has 48 divisors (see below), whose sum is σ = 18762822000. Its totient is φ = 2286168192.

The previous prime is 6893157811. The next prime is 6893157823. The reversal of 6893157816 is 6187513986.

6893157816 is a `hidden beast` number, since 68 + 9 + 3 + 1 + 578 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6893157811) 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, 226221 + ... + 254876.

It is an arithmetic number, because the mean of its divisors is an integer number (390892125).

Almost surely, 2^6893157816 is an apocalyptic number.

It is an amenable number.

6893157816 is an abundant number, since it is smaller than the sum of its proper divisors (11869664184).

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

6893157816 is a wasteful number, since it uses less digits than its factorization.

6893157816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481308 (or 481301 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 6893157816 is about 83025.0433062218. The cubic root of 6893157816 is about 1903.1487784292.

The spelling of 6893157816 in words is "six billion, eight hundred ninety-three million, one hundred fifty-seven thousand, eight hundred sixteen".