6845164842 has 16 divisors (see below), whose sum is σ = 13692284640. Its totient is φ = 2281395792.

The previous prime is 6845164817. The next prime is 6845164847. The reversal of 6845164842 is 2484615486.

It is a junction number, because it is equal to n+sod(n) for n = 6845164791 and 6845164800.

It is not an unprimeable number, because it can be changed into a prime (6845164847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33792 + ... + 121787.

It is an arithmetic number, because the mean of its divisors is an integer number (855767790).

Almost surely, 2^6845164842 is an apocalyptic number.

6845164842 is an abundant number, since it is smaller than the sum of its proper divisors (6847119798).

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

6845164842 is a wasteful number, since it uses less digits than its factorization.

6845164842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162917.

The product of its digits is 1474560, while the sum is 48.

The square root of 6845164842 is about 82735.5113720825. The cubic root of 6845164842 is about 1898.7216555264.

The spelling of 6845164842 in words is "six billion, eight hundred forty-five million, one hundred sixty-four thousand, eight hundred forty-two".