66935150867 has 8 divisors (see below), whose sum is σ = 72087479856. Its totient is φ = 61783317792.

The previous prime is 66935150839. The next prime is 66935150869. The reversal of 66935150867 is 76805153966.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66935150867 - 2¹² = 66935146771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66935150869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184868 + ... + 409934.

It is an arithmetic number, because the mean of its divisors is an integer number (9010934982).

Almost surely, 2^66935150867 is an apocalyptic number.

66935150867 is a deficient number, since it is larger than the sum of its proper divisors (5152328989).

66935150867 is a wasteful number, since it uses less digits than its factorization.

66935150867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247957.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 66935150867 in words is "sixty-six billion, nine hundred thirty-five million, one hundred fifty thousand, eight hundred sixty-seven".