133541565052666 has 8 divisors (see below), whose sum is σ = 202184425594080. Its totient is φ = 66146756521308.

The previous prime is 133541565052619. The next prime is 133541565052697. The reversal of 133541565052666 is 666250565145331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133541565052666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312013002246 + ... + 312013002673.

It is an arithmetic number, because the mean of its divisors is an integer number (25273053199260).

Almost surely, 2^{133541565052666} is an apocalyptic number.

133541565052666 is a deficient number, since it is larger than the sum of its proper divisors (68642860541414).

133541565052666 is a wasteful number, since it uses less digits than its factorization.

133541565052666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624026005028.

The product of its (nonzero) digits is 58320000, while the sum is 58.

The spelling of 133541565052666 in words is "one hundred thirty-three trillion, five hundred forty-one billion, five hundred sixty-five million, fifty-two thousand, six hundred sixty-six".