110666503165 has 4 divisors (see below), whose sum is σ = 132799803804. Its totient is φ = 88533202528.

The previous prime is 110666503147. The next prime is 110666503237. The reversal of 110666503165 is 561305666011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57091845721 + 53574657444 = 238939^2 + 231462^2 .

It is a cyclic number.

It is not a de Polignac number, because 110666503165 - 2⁵ = 110666503133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11066650312 + ... + 11066650321.

It is an arithmetic number, because the mean of its divisors is an integer number (33199950951).

Almost surely, 2^110666503165 is an apocalyptic number.

It is an amenable number.

110666503165 is a deficient number, since it is larger than the sum of its proper divisors (22133300639).

110666503165 is an equidigital number, since it uses as much as digits as its factorization.

110666503165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22133300638.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 110666503165 in words is "one hundred ten billion, six hundred sixty-six million, five hundred three thousand, one hundred sixty-five".