6555166161 has 8 divisors (see below), whose sum is σ = 8976443904. Its totient is φ = 4251999600.

The previous prime is 6555166157. The next prime is 6555166169. The reversal of 6555166161 is 1616615556.

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

It is not a de Polignac number, because 6555166161 - 2² = 6555166157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6555166169) 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, 29527665 + ... + 29527886.

It is an arithmetic number, because the mean of its divisors is an integer number (1122055488).

Almost surely, 2^6555166161 is an apocalyptic number.

It is an amenable number.

6555166161 is a deficient number, since it is larger than the sum of its proper divisors (2421277743).

6555166161 is a wasteful number, since it uses less digits than its factorization.

6555166161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59055591.

The product of its digits is 162000, while the sum is 42.

The square root of 6555166161 is about 80963.9806395412. The cubic root of 6555166161 is about 1871.5204122803.

The spelling of 6555166161 in words is "six billion, five hundred fifty-five million, one hundred sixty-six thousand, one hundred sixty-one".