6161198281 has 8 divisors (see below), whose sum is σ = 7047311040. Its totient is φ = 5276570928.

The previous prime is 6161198269. The next prime is 6161198287. The reversal of 6161198281 is 1828911616.

6161198281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6161198281 - 2⁹ = 6161197769 is a prime.

It is a super-2 number, since 2×6161198281² = 75920728515594709922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6161198287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362446 + ... + 379063.

It is an arithmetic number, because the mean of its divisors is an integer number (880913880).

Almost surely, 2^6161198281 is an apocalyptic number.

It is an amenable number.

6161198281 is a deficient number, since it is larger than the sum of its proper divisors (886112759).

6161198281 is a wasteful number, since it uses less digits than its factorization.

6161198281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742703.

The product of its digits is 41472, while the sum is 43.

The square root of 6161198281 is about 78493.3008670167. The cubic root of 6161198281 is about 1833.2501471420.

The spelling of 6161198281 in words is "six billion, one hundred sixty-one million, one hundred ninety-eight thousand, two hundred eighty-one".