8335518061 has 4 divisors (see below), whose sum is σ = 8976711772. Its totient is φ = 7694324352.

The previous prime is 8335518043. The next prime is 8335518083. The reversal of 8335518061 is 1608155338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1608155338 = 2 ⋅804077669.

It can be written as a sum of positive squares in 2 ways, for example, as 2479442436 + 5856075625 = 49794^2 + 76525^2 .

It is not a de Polignac number, because 8335518061 - 2²³ = 8327129453 is a prime.

It is a super-2 number, since 2×8335518061² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8335518001) 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, 320596836 + ... + 320596861.

It is an arithmetic number, because the mean of its divisors is an integer number (2244177943).

Almost surely, 2^8335518061 is an apocalyptic number.

It is an amenable number.

8335518061 is a deficient number, since it is larger than the sum of its proper divisors (641193711).

8335518061 is a wasteful number, since it uses less digits than its factorization.

8335518061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641193710.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 8335518061 is about 91299.0583795912. The cubic root of 8335518061 is about 2027.5778224434.

The spelling of 8335518061 in words is "eight billion, three hundred thirty-five million, five hundred eighteen thousand, sixty-one".