66476165230243 has 8 divisors (see below), whose sum is σ = 66510564704496. Its totient is φ = 66441767095200.

The previous prime is 66476165230219. The next prime is 66476165230253. The reversal of 66476165230243 is 34203256167466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66476165230243 - 2³³ = 66467575295651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66476165230253) 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, 108007605 + ... + 108621337.

It is an arithmetic number, because the mean of its divisors is an integer number (8313820588062).

Almost surely, 2^{66476165230243} is an apocalyptic number.

66476165230243 is a deficient number, since it is larger than the sum of its proper divisors (34399474253).

66476165230243 is a wasteful number, since it uses less digits than its factorization.

66476165230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669605.

The product of its (nonzero) digits is 26127360, while the sum is 55.

The spelling of 66476165230243 in words is "sixty-six trillion, four hundred seventy-six billion, one hundred sixty-five million, two hundred thirty thousand, two hundred forty-three".