165287014666 has 32 divisors (see below), whose sum is σ = 264788903808. Its totient is φ = 77193768960.

The previous prime is 165287014649. The next prime is 165287014667. The reversal of 165287014666 is 666410782561.

It is not an unprimeable number, because it can be changed into a prime (165287014667) 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, 12290506 + ... + 12303946.

It is an arithmetic number, because the mean of its divisors is an integer number (8274653244).

Almost surely, 2^165287014666 is an apocalyptic number.

165287014666 is a deficient number, since it is larger than the sum of its proper divisors (99501889142).

165287014666 is a wasteful number, since it uses less digits than its factorization.

165287014666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19726.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 165287014666 in words is "one hundred sixty-five billion, two hundred eighty-seven million, fourteen thousand, six hundred sixty-six".