660630245 has 8 divisors (see below), whose sum is σ = 864825120. Its totient is φ = 480458320.

The previous prime is 660630211. The next prime is 660630281. The reversal of 660630245 is 542036066.

660630245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 660630245 - 2¹² = 660626149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6005675 + ... + 6005784.

It is an arithmetic number, because the mean of its divisors is an integer number (108103140).

Almost surely, 2^660630245 is an apocalyptic number.

It is an amenable number.

660630245 is a deficient number, since it is larger than the sum of its proper divisors (204194875).

660630245 is a wasteful number, since it uses less digits than its factorization.

660630245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011475.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 660630245 is about 25702.7283571219. The cubic root of 660630245 is about 870.9358164736.

The spelling of 660630245 in words is "six hundred sixty million, six hundred thirty thousand, two hundred forty-five".