6166551610655 has 16 divisors (see below), whose sum is σ = 7516890305280. Its totient is φ = 4855504543488.

The previous prime is 6166551610601. The next prime is 6166551610691. The reversal of 6166551610655 is 5560161556616.

It is a cyclic number.

It is not a de Polignac number, because 6166551610655 - 2⁸ = 6166551610399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6166551610597 and 6166551610606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17460512 + ... + 17810181.

It is an arithmetic number, because the mean of its divisors is an integer number (469805644080).

Almost surely, 2^{6166551610655} is an apocalyptic number.

6166551610655 is a deficient number, since it is larger than the sum of its proper divisors (1350338694625).

6166551610655 is a wasteful number, since it uses less digits than its factorization.

6166551610655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35271250.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 6166551610655 in words is "six trillion, one hundred sixty-six billion, five hundred fifty-one million, six hundred ten thousand, six hundred fifty-five".