660333640410566 has 8 divisors (see below), whose sum is σ = 990500900042784. Its totient is φ = 330166673729640.

The previous prime is 660333640410541. The next prime is 660333640410569. The reversal of 660333640410566 is 665014046333066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660333640410569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67513145 + ... + 76672628.

It is an arithmetic number, because the mean of its divisors is an integer number (123812612505348).

Almost surely, 2^{660333640410566} is an apocalyptic number.

660333640410566 is a deficient number, since it is larger than the sum of its proper divisors (330167259632218).

660333640410566 is a wasteful number, since it uses less digits than its factorization.

660333640410566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146475646.

The product of its (nonzero) digits is 16796160, while the sum is 53.

The spelling of 660333640410566 in words is "six hundred sixty trillion, three hundred thirty-three billion, six hundred forty million, four hundred ten thousand, five hundred sixty-six".