1001285668 has 24 divisors (see below), whose sum is σ = 1814674680. Its totient is φ = 482845440.

The previous prime is 1001285633. The next prime is 1001285671. The reversal of 1001285668 is 8665821001.

1001285668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 702244 + 1000583424 = 838^2 + 31632^2 .

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, 113248 + ... + 121768.

It is an arithmetic number, because the mean of its divisors is an integer number (75611445).

Almost surely, 2^1001285668 is an apocalyptic number.

It is an amenable number.

1001285668 is a deficient number, since it is larger than the sum of its proper divisors (813389012).

1001285668 is a wasteful number, since it uses less digits than its factorization.

1001285668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9567 (or 9565 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1001285668 is about 31643.0982680268. The cubic root of 1001285668 is about 1000.4283724708.

The spelling of 1001285668 in words is "one billion, one million, two hundred eighty-five thousand, six hundred sixty-eight".