1003166660 has 12 divisors (see below), whose sum is σ = 2106650028. Its totient is φ = 401266656.

The previous prime is 1003166629. The next prime is 1003166663. The reversal of 1003166660 is 666613001.

It can be written as a sum of positive squares in 2 ways, for example, as 368025856 + 635140804 = 19184^2 + 25202^2 .

It is not an unprimeable number, because it can be changed into a prime (1003166663) 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 3 ways as a sum of consecutive naturals, for example, 25079147 + ... + 25079186.

It is an arithmetic number, because the mean of its divisors is an integer number (175554169).

Almost surely, 2^1003166660 is an apocalyptic number.

1003166660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003166660 is an abundant number, since it is smaller than the sum of its proper divisors (1103483368).

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

1003166660 is a wasteful number, since it uses less digits than its factorization.

1003166660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50158342 (or 50158340 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1003166660 is about 31672.8063170916. The cubic root of 1003166660 is about 1001.0544410965.

Adding to 1003166660 its reverse (666613001), we get a palindrome (1669779661).

The spelling of 1003166660 in words is "one billion, three million, one hundred sixty-six thousand, six hundred sixty".