6266662105561 has 32 divisors (see below), whose sum is σ = 7758392544000. Its totient is φ = 4980293472000.

The previous prime is 6266662105523. The next prime is 6266662105579. The reversal of 6266662105561 is 1655012666626.

It is not a de Polignac number, because 6266662105561 - 2⁹ = 6266662105049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6266662105499 and 6266662105508.

It is not an unprimeable number, because it can be changed into a prime (6266662105511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9100186 + ... + 9764563.

It is an arithmetic number, because the mean of its divisors is an integer number (242449767000).

Almost surely, 2^{6266662105561} is an apocalyptic number.

It is an amenable number.

6266662105561 is a deficient number, since it is larger than the sum of its proper divisors (1491730438439).

6266662105561 is a wasteful number, since it uses less digits than its factorization.

6266662105561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18864897.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 6266662105561 in words is "six trillion, two hundred sixty-six billion, six hundred sixty-two million, one hundred five thousand, five hundred sixty-one".