1000665330 has 32 divisors (see below), whose sum is σ = 2744682624. Its totient is φ = 228723456.

The previous prime is 1000665317. The next prime is 1000665353. The reversal of 1000665330 is 335660001.

It is a super-2 number, since 2×1000665330² = 2002662205328017800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000665330.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2382327 + ... + 2382746.

It is an arithmetic number, because the mean of its divisors is an integer number (85771332).

Almost surely, 2^1000665330 is an apocalyptic number.

1000665330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000665330 is an abundant number, since it is smaller than the sum of its proper divisors (1744017294).

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

1000665330 is a wasteful number, since it uses less digits than its factorization.

1000665330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765090.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1000665330 is about 31633.2946434607. The cubic root of 1000665330 is about 1000.2217274999.

The spelling of 1000665330 in words is "one billion, six hundred sixty-five thousand, three hundred thirty".