816027574841 has 4 divisors (see below), whose sum is σ = 816030541284. Its totient is φ = 816024608400.

The previous prime is 816027574807. The next prime is 816027574853. The reversal of 816027574841 is 148475720618.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 290154595600 + 525872979241 = 538660^2 + 725171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-816027574841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816027574891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022990 + ... + 1636631.

It is an arithmetic number, because the mean of its divisors is an integer number (204007635321).

Almost surely, 2^816027574841 is an apocalyptic number.

It is an amenable number.

816027574841 is a deficient number, since it is larger than the sum of its proper divisors (2966443).

816027574841 is a wasteful number, since it uses less digits than its factorization.

816027574841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966442.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 816027574841 in words is "eight hundred sixteen billion, twenty-seven million, five hundred seventy-four thousand, eight hundred forty-one".