11646465066 has 32 divisors (see below), whose sum is σ = 25891462080. Its totient is φ = 3880590768.

The previous prime is 11646465029. The next prime is 11646465073. The reversal of 11646465066 is 66056464611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95905 + ... + 180251.

It is an arithmetic number, because the mean of its divisors is an integer number (809108190).

Almost surely, 2^11646465066 is an apocalyptic number.

11646465066 is an abundant number, since it is smaller than the sum of its proper divisors (14244997014).

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

11646465066 is a wasteful number, since it uses less digits than its factorization.

11646465066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86915 (or 86909 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 11646465066 in words is "eleven billion, six hundred forty-six million, four hundred sixty-five thousand, sixty-six".