8018488061 has 4 divisors (see below), whose sum is σ = 8025078012. Its totient is φ = 8011898112.

The previous prime is 8018487979. The next prime is 8018488067. The reversal of 8018488061 is 1608848108.

It is a happy number.

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 5759292100 + 2259195961 = 75890^2 + 47531^2 .

It is a cyclic number.

It is not a de Polignac number, because 8018488061 - 2¹⁴ = 8018471677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018488067) 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, 3293150 + ... + 3295583.

It is an arithmetic number, because the mean of its divisors is an integer number (2006269503).

Almost surely, 2^8018488061 is an apocalyptic number.

It is an amenable number.

8018488061 is a deficient number, since it is larger than the sum of its proper divisors (6589951).

8018488061 is a wasteful number, since it uses less digits than its factorization.

8018488061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589950.

The product of its (nonzero) digits is 98304, while the sum is 44.

The square root of 8018488061 is about 89546.0108603393. The cubic root of 8018488061 is about 2001.5394864367.

The spelling of 8018488061 in words is "eight billion, eighteen million, four hundred eighty-eight thousand, sixty-one".