6816274162128 has 30 divisors (see below), whose sum is σ = 19076100606914. Its totient is φ = 2272091387328.

The previous prime is 6816274162127. The next prime is 6816274162171. The reversal of 6816274162128 is 8212614726186.

6816274162128 is a `hidden beast` number, since 6 + 8 + 1 + 6 + 2 + 7 + 4 + 1 + 621 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5135444887104 + 1680829275024 = 2266152^2 + 1296468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816274162127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23667618475 + ... + 23667618762.

Almost surely, 2^{6816274162128} is an apocalyptic number.

It is an amenable number.

6816274162128 is an abundant number, since it is smaller than the sum of its proper divisors (12259826444786).

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

6816274162128 is a wasteful number, since it uses less digits than its factorization.

6816274162128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47335237251 (or 47335237242 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 6816274162128 in words is "six trillion, eight hundred sixteen billion, two hundred seventy-four million, one hundred sixty-two thousand, one hundred twenty-eight".