660049229 has 8 divisors (see below), whose sum is σ = 754720128. Its totient is φ = 565472880.

The previous prime is 660049199. The next prime is 660049249. The reversal of 660049229 is 922940066.

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

It is not a de Polignac number, because 660049229 - 2²⁰ = 659000653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660049192 and 660049201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660049249) 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, 7982 + ... + 37199.

It is an arithmetic number, because the mean of its divisors is an integer number (94340016).

Almost surely, 2^660049229 is an apocalyptic number.

It is an amenable number.

660049229 is a deficient number, since it is larger than the sum of its proper divisors (94670899).

660049229 is a wasteful number, since it uses less digits than its factorization.

660049229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47275.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 660049229 is about 25691.4232575776. The cubic root of 660049229 is about 870.6804158825.

The spelling of 660049229 in words is "six hundred sixty million, forty-nine thousand, two hundred twenty-nine".