66264660014 has 32 divisors (see below), whose sum is σ = 114552984000. Its totient is φ = 28160939520.

The previous prime is 66264660013. The next prime is 66264660017. The reversal of 66264660014 is 41006646266.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66264660013) 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, 846902 + ... + 921830.

It is an arithmetic number, because the mean of its divisors is an integer number (3579780750).

Almost surely, 2^66264660014 is an apocalyptic number.

66264660014 is a deficient number, since it is larger than the sum of its proper divisors (48288323986).

66264660014 is a wasteful number, since it uses less digits than its factorization.

66264660014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75468.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 66264660014 in words is "sixty-six billion, two hundred sixty-four million, six hundred sixty thousand, fourteen".