665056611110 has 16 divisors (see below), whose sum is σ = 1238381276400. Its totient is φ = 256849449696.

The previous prime is 665056611103. The next prime is 665056611119. The reversal of 665056611110 is 11116650566.

665056611110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×665056611110² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665056611119) 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, 1146649040 + ... + 1146649619.

It is an arithmetic number, because the mean of its divisors is an integer number (77398829775).

Almost surely, 2^665056611110 is an apocalyptic number.

665056611110 is a deficient number, since it is larger than the sum of its proper divisors (573324665290).

665056611110 is a wasteful number, since it uses less digits than its factorization.

665056611110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293298695.

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

The spelling of 665056611110 in words is "six hundred sixty-five billion, fifty-six million, six hundred eleven thousand, one hundred ten".