5816420461 has 4 divisors (see below), whose sum is σ = 5973621052. Its totient is φ = 5659219872.

The previous prime is 5816420447. The next prime is 5816420473. The reversal of 5816420461 is 1640246185.

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 4251822436 + 1564598025 = 65206^2 + 39555^2 .

It is a cyclic number.

It is not a de Polignac number, because 5816420461 - 2¹³ = 5816412269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 157200553 = 5816420461 / (5 + 8 + 1 + 6 + 4 + 2 + 0 + 4 + 6 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5816420461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5816420161) 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, 78600240 + ... + 78600313.

It is an arithmetic number, because the mean of its divisors is an integer number (1493405263).

Almost surely, 2^5816420461 is an apocalyptic number.

It is an amenable number.

5816420461 is a deficient number, since it is larger than the sum of its proper divisors (157200591).

5816420461 is a wasteful number, since it uses less digits than its factorization.

5816420461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157200590.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 5816420461 is about 76265.4604719594. The cubic root of 5816420461 is about 1798.3957373840.

The spelling of 5816420461 in words is "five billion, eight hundred sixteen million, four hundred twenty thousand, four hundred sixty-one".