66360104011 has 4 divisors (see below), whose sum is σ = 66399210072. Its totient is φ = 66320997952.

The previous prime is 66360103991. The next prime is 66360104023. The reversal of 66360104011 is 11040106366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66360104011 - 2¹¹ = 66360101963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66360104051) 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, 19550485 + ... + 19553878.

It is an arithmetic number, because the mean of its divisors is an integer number (16599802518).

Almost surely, 2^66360104011 is an apocalyptic number.

66360104011 is a deficient number, since it is larger than the sum of its proper divisors (39106061).

66360104011 is a wasteful number, since it uses less digits than its factorization.

66360104011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39106060.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 66360104011 in words is "sixty-six billion, three hundred sixty million, one hundred four thousand, eleven".