66736700033667 has 8 divisors (see below), whose sum is σ = 90440992395600. Its totient is φ = 43761770513760.

The previous prime is 66736700033623. The next prime is 66736700033797. The reversal of 66736700033667 is 76633000763766.

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

It is not a de Polignac number, because 66736700033667 - 2²⁸ = 66736431598211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66736700033667.

It is not an unprimeable number, because it can be changed into a prime (66736700035667) 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, 182340710292 + ... + 182340710657.

It is an arithmetic number, because the mean of its divisors is an integer number (11305124049450).

Almost surely, 2^{66736700033667} is an apocalyptic number.

66736700033667 is a deficient number, since it is larger than the sum of its proper divisors (23704292361933).

66736700033667 is a wasteful number, since it uses less digits than its factorization.

66736700033667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364681421013.

The product of its (nonzero) digits is 72013536, while the sum is 60.

The spelling of 66736700033667 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred million, thirty-three thousand, six hundred sixty-seven".