2385817066 has 16 divisors (see below), whose sum is σ = 3715520040. Its totient is φ = 1147608000.

The previous prime is 2385817039. The next prime is 2385817069. The reversal of 2385817066 is 6607185832.

It can be written as a sum of positive squares in 4 ways, for example, as 1374259041 + 1011558025 = 37071^2 + 31805^2 .

It is not an unprimeable number, because it can be changed into a prime (2385817069) 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, 58185 + ... + 90316.

Almost surely, 2^2385817066 is an apocalyptic number.

2385817066 is a deficient number, since it is larger than the sum of its proper divisors (1329702974).

2385817066 is a wasteful number, since it uses less digits than its factorization.

2385817066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148809.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2385817066 is about 48844.8263995277. The cubic root of 2385817066 is about 1336.2233202200.

The spelling of 2385817066 in words is "two billion, three hundred eighty-five million, eight hundred seventeen thousand, sixty-six".