660606011166 has 32 divisors (see below), whose sum is σ = 1357222786560. Its totient is φ = 214202861856.

The previous prime is 660606011141. The next prime is 660606011167. The reversal of 660606011166 is 661110606066.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660606011167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673975 + ... + 1332461.

It is an arithmetic number, because the mean of its divisors is an integer number (42413212080).

Almost surely, 2^660606011166 is an apocalyptic number.

660606011166 is an abundant number, since it is smaller than the sum of its proper divisors (696616775394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660606011166 is a wasteful number, since it uses less digits than its factorization.

660606011166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663048.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 660606011166 in words is "six hundred sixty billion, six hundred six million, eleven thousand, one hundred sixty-six".