6198556161 has 8 divisors (see below), whose sum is σ = 9445418944. Its totient is φ = 3542032080.

The previous prime is 6198556159. The next prime is 6198556187. The reversal of 6198556161 is 1616558916.

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

It is not a de Polignac number, because 6198556161 - 2¹ = 6198556159 is a prime.

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 6198556161.

It is not an unprimeable number, because it can be changed into a prime (6198556261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147584650 + ... + 147584691.

It is an arithmetic number, because the mean of its divisors is an integer number (1180677368).

Almost surely, 2^6198556161 is an apocalyptic number.

It is an amenable number.

6198556161 is a deficient number, since it is larger than the sum of its proper divisors (3246862783).

6198556161 is a wasteful number, since it uses less digits than its factorization.

6198556161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295169351.

The product of its digits is 388800, while the sum is 48.

The square root of 6198556161 is about 78730.9098194604. The cubic root of 6198556161 is about 1836.9479334062.

The spelling of 6198556161 in words is "six billion, one hundred ninety-eight million, five hundred fifty-six thousand, one hundred sixty-one".