10566661055 has 8 divisors (see below), whose sum is σ = 12681153072. Its totient is φ = 8452555648.

The previous prime is 10566661051. The next prime is 10566661057. The reversal of 10566661055 is 55016666501.

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 10566661055 - 2² = 10566661051 is a prime.

It is a super-2 number, since 2×10566661055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10566661051) 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, 32669 + ... + 148998.

It is an arithmetic number, because the mean of its divisors is an integer number (1585144134).

Almost surely, 2^10566661055 is an apocalyptic number.

10566661055 is a deficient number, since it is larger than the sum of its proper divisors (2114492017).

10566661055 is a wasteful number, since it uses less digits than its factorization.

10566661055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193305.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 10566661055 in words is "ten billion, five hundred sixty-six million, six hundred sixty-one thousand, fifty-five".