1003644066 has 8 divisors (see below), whose sum is σ = 2007288144. Its totient is φ = 334548020.

The previous prime is 1003644023. The next prime is 1003644073. The reversal of 1003644066 is 6604463001.

1003644066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

1003644066 is an admirable number.

It is a super-2 number, since 2×1003644066² = 2014602822434024712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83637000 + ... + 83637011.

It is an arithmetic number, because the mean of its divisors is an integer number (250911018).

Almost surely, 2^1003644066 is an apocalyptic number.

1003644066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1003644066 is a wasteful number, since it uses less digits than its factorization.

1003644066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167274016.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1003644066 is about 31680.3419489121. The cubic root of 1003644066 is about 1001.2132161779.

The spelling of 1003644066 in words is "one billion, three million, six hundred forty-four thousand, sixty-six".