660307201 has 8 divisors (see below), whose sum is σ = 669643520. Its totient is φ = 650995488.

The previous prime is 660307189. The next prime is 660307213. The reversal of 660307201 is 102703066.

It is an interprime number because it is at equal distance from previous prime (660307189) and next prime (660307213).

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 660307201 - 2¹¹ = 660305153 is a prime.

It is a super-3 number, since 3×660307201³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660307261) 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, 51685 + ... + 63181.

It is an arithmetic number, because the mean of its divisors is an integer number (83705440).

Almost surely, 2^660307201 is an apocalyptic number.

It is an amenable number.

660307201 is a deficient number, since it is larger than the sum of its proper divisors (9336319).

660307201 is a wasteful number, since it uses less digits than its factorization.

660307201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12303.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 660307201 is about 25696.4433531180. The cubic root of 660307201 is about 870.7938326311.

The spelling of 660307201 in words is "six hundred sixty million, three hundred seven thousand, two hundred one".