6840816195 has 16 divisors (see below), whose sum is σ = 11024052480. Its totient is φ = 3622186464.

The previous prime is 6840816181. The next prime is 6840816209. The reversal of 6840816195 is 5916180486.

It is an interprime number because it is at equal distance from previous prime (6840816181) and next prime (6840816209).

It is not a de Polignac number, because 6840816195 - 2⁶ = 6840816131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638399 + ... + 1642568.

It is an arithmetic number, because the mean of its divisors is an integer number (689003280).

Almost surely, 2^6840816195 is an apocalyptic number.

6840816195 is a deficient number, since it is larger than the sum of its proper divisors (4183236285).

6840816195 is a wasteful number, since it uses less digits than its factorization.

6840816195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281114.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 6840816195 is about 82709.2267827478. The cubic root of 6840816195 is about 1898.3194923677.

The spelling of 6840816195 in words is "six billion, eight hundred forty million, eight hundred sixteen thousand, one hundred ninety-five".