6854165408 has 24 divisors (see below), whose sum is σ = 13540211748. Its totient is φ = 3415381504.

The previous prime is 6854165389. The next prime is 6854165413. The reversal of 6854165408 is 8045614586.

It can be written as a sum of positive squares in 2 ways, for example, as 5632802704 + 1221362704 = 75052^2 + 34948^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356141 + ... + 374892.

Almost surely, 2^6854165408 is an apocalyptic number.

It is an amenable number.

6854165408 is a deficient number, since it is larger than the sum of its proper divisors (6686046340).

6854165408 is a wasteful number, since it uses less digits than its factorization.

6854165408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731336 (or 731328 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 6854165408 is about 82789.8871118931. The cubic root of 6854165408 is about 1899.5534876880.

The spelling of 6854165408 in words is "six billion, eight hundred fifty-four million, one hundred sixty-five thousand, four hundred eight".