66030707801 has 4 divisors (see below), whose sum is σ = 67149872400. Its totient is φ = 64911543204.

The previous prime is 66030707779. The next prime is 66030707839. The reversal of 66030707801 is 10870703066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66030707801 - 2⁶ = 66030707737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66030707861) 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, 559582211 + ... + 559582328.

It is an arithmetic number, because the mean of its divisors is an integer number (16787468100).

Almost surely, 2^66030707801 is an apocalyptic number.

It is an amenable number.

66030707801 is a deficient number, since it is larger than the sum of its proper divisors (1119164599).

66030707801 is a wasteful number, since it uses less digits than its factorization.

66030707801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119164598.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 66030707801 in words is "sixty-six billion, thirty million, seven hundred seven thousand, eight hundred one".