105656011166 has 8 divisors (see below), whose sum is σ = 158647236984. Its totient is φ = 52773598840.

The previous prime is 105656011159. The next prime is 105656011169. The reversal of 105656011166 is 661110656501.

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

It is a super-2 number, since 2×105656011166² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105656011169) 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 3 ways as a sum of consecutive naturals, for example, 27200945 + ... + 27204828.

It is an arithmetic number, because the mean of its divisors is an integer number (19830904623).

Almost surely, 2^105656011166 is an apocalyptic number.

105656011166 is a deficient number, since it is larger than the sum of its proper divisors (52991225818).

105656011166 is an equidigital number, since it uses as much as digits as its factorization.

105656011166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54406746.

The product of its (nonzero) digits is 32400, while the sum is 38.

Adding to 105656011166 its reverse (661110656501), we get a palindrome (766766667667).

The spelling of 105656011166 in words is "one hundred five billion, six hundred fifty-six million, eleven thousand, one hundred sixty-six".