1006644064 has 12 divisors (see below), whose sum is σ = 1981830564. Its totient is φ = 503322016.

The previous prime is 1006644049. The next prime is 1006644091. The reversal of 1006644064 is 4604466001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15728782 + ... + 15728845.

It is an arithmetic number, because the mean of its divisors is an integer number (165152547).

Almost surely, 2^1006644064 is an apocalyptic number.

It is an amenable number.

1006644064 is a deficient number, since it is larger than the sum of its proper divisors (975186500).

1006644064 is an equidigital number, since it uses as much as digits as its factorization.

1006644064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31457637 (or 31457629 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1006644064 is about 31727.6545619118. The cubic root of 1006644064 is about 1002.2098011818.

The spelling of 1006644064 in words is "one billion, six million, six hundred forty-four thousand, sixty-four".