660460233 has 8 divisors (see below), whose sum is σ = 882811296. Its totient is φ = 439208000.

The previous prime is 660460223. The next prime is 660460243. The reversal of 660460233 is 332064066.

It is an interprime number because it is at equal distance from previous prime (660460223) and next prime (660460243).

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 660460233 - 2⁵ = 660460201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 660460233.

It is not an unprimeable number, because it can be changed into a prime (660460223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273303 + ... + 275708.

It is an arithmetic number, because the mean of its divisors is an integer number (110351412).

Almost surely, 2^660460233 is an apocalyptic number.

It is an amenable number.

660460233 is a deficient number, since it is larger than the sum of its proper divisors (222351063).

660460233 is a wasteful number, since it uses less digits than its factorization.

660460233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549415.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 660460233 is about 25699.4208689612. The cubic root of 660460233 is about 870.8610988108.

The spelling of 660460233 in words is "six hundred sixty million, four hundred sixty thousand, two hundred thirty-three".