66850917314 has 8 divisors (see below), whose sum is σ = 100284666300. Its totient is φ = 33422695216.

The previous prime is 66850917311. The next prime is 66850917347. The reversal of 66850917314 is 41371905866.

It can be written as a sum of positive squares in 2 ways, for example, as 50857015225 + 15993902089 = 225515^2 + 126467^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66850917311) 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, 1351349 + ... + 1399944.

Almost surely, 2^66850917314 is an apocalyptic number.

66850917314 is a deficient number, since it is larger than the sum of its proper divisors (33433748986).

66850917314 is a wasteful number, since it uses less digits than its factorization.

66850917314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763444.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 66850917314 in words is "sixty-six billion, eight hundred fifty million, nine hundred seventeen thousand, three hundred fourteen".