665225714201 has 8 divisors (see below), whose sum is σ = 675169998624. Its totient is φ = 655281887040.

The previous prime is 665225714177. The next prime is 665225714227. The reversal of 665225714201 is 102417522566.

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 665225714201 - 2¹⁰ = 665225713177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (665225711201) 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, 3822386 + ... + 3992628.

It is an arithmetic number, because the mean of its divisors is an integer number (84396249828).

Almost surely, 2^665225714201 is an apocalyptic number.

It is an amenable number.

665225714201 is a deficient number, since it is larger than the sum of its proper divisors (9944284423).

665225714201 is a wasteful number, since it uses less digits than its factorization.

665225714201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228631.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 665225714201 in words is "six hundred sixty-five billion, two hundred twenty-five million, seven hundred fourteen thousand, two hundred one".