66353204667 has 8 divisors (see below), whose sum is σ = 91324840960. Its totient is φ = 42808519080.

The previous prime is 66353204653. The next prime is 66353204677. The reversal of 66353204667 is 76640235366.

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

It is not a de Polignac number, because 66353204667 - 2⁷ = 66353204539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66353204627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356737567 + ... + 356737752.

It is an arithmetic number, because the mean of its divisors is an integer number (11415605120).

Almost surely, 2^66353204667 is an apocalyptic number.

66353204667 is a deficient number, since it is larger than the sum of its proper divisors (24971636293).

66353204667 is a wasteful number, since it uses less digits than its factorization.

66353204667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713475353.

The product of its (nonzero) digits is 3265920, while the sum is 48.

The spelling of 66353204667 in words is "sixty-six billion, three hundred fifty-three million, two hundred four thousand, six hundred sixty-seven".