9660609258 has 16 divisors (see below), whose sum is σ = 19412790816. Its totient is φ = 3204941040.

The previous prime is 9660609191. The next prime is 9660609281. The reversal of 9660609258 is 8529060669.

It is a self number, because there is not a number n which added to its sum of digits gives 9660609258.

It is an unprimeable number.

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, 3814141 + ... + 3816672.

It is an arithmetic number, because the mean of its divisors is an integer number (1213299426).

Almost surely, 2^9660609258 is an apocalyptic number.

9660609258 is an abundant number, since it is smaller than the sum of its proper divisors (9752181558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9660609258 is a wasteful number, since it uses less digits than its factorization.

9660609258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631029.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 9660609258 is about 98288.3983896370. The cubic root of 9660609258 is about 2129.7804631676.

The spelling of 9660609258 in words is "nine billion, six hundred sixty million, six hundred nine thousand, two hundred fifty-eight".