6061318381 has 4 divisors (see below), whose sum is σ = 6061647100. Its totient is φ = 6060989664.

The previous prime is 6061318379. The next prime is 6061318411. The reversal of 6061318381 is 1838131606.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1838131606 = 2 ⋅919065803.

It can be written as a sum of positive squares in 2 ways, for example, as 4213178281 + 1848140100 = 64909^2 + 42990^2 .

It is a cyclic number.

It is not a de Polignac number, because 6061318381 - 2¹ = 6061318379 is a prime.

It is a super-2 number, since 2×6061318381² = 73479161031696922322, which contains 22 as substring.

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 6061318381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6061718381) 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, 134946 + ... + 174163.

It is an arithmetic number, because the mean of its divisors is an integer number (1515411775).

Almost surely, 2^6061318381 is an apocalyptic number.

It is an amenable number.

6061318381 is a deficient number, since it is larger than the sum of its proper divisors (328719).

6061318381 is a wasteful number, since it uses less digits than its factorization.

6061318381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328718.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 6061318381 is about 77854.4692422985. The cubic root of 6061318381 is about 1823.2897852037.

Adding to 6061318381 its reverse (1838131606), we get a palindrome (7899449987).

The spelling of 6061318381 in words is "six billion, sixty-one million, three hundred eighteen thousand, three hundred eighty-one".