66195830706 has 8 divisors (see below), whose sum is σ = 132391661424. Its totient is φ = 22065276900.

The previous prime is 66195830699. The next prime is 66195830711. The reversal of 66195830706 is 60703859166.

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

66195830706 is an admirable number.

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, 5516319220 + ... + 5516319231.

It is an arithmetic number, because the mean of its divisors is an integer number (16548957678).

Almost surely, 2^66195830706 is an apocalyptic number.

66195830706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66195830706 is a wasteful number, since it uses less digits than its factorization.

66195830706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032638456.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 66195830706 in words is "sixty-six billion, one hundred ninety-five million, eight hundred thirty thousand, seven hundred six".