1006604663 has 8 divisors (see below), whose sum is σ = 1069614720. Its totient is φ = 944016640.

The previous prime is 1006604659. The next prime is 1006604693. The reversal of 1006604663 is 3664066001.

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

It is a cyclic number.

It is not a de Polignac number, because 1006604663 - 2² = 1006604659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006604693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100583 + ... + 110136.

It is an arithmetic number, because the mean of its divisors is an integer number (133701840).

Almost surely, 2^1006604663 is an apocalyptic number.

1006604663 is a deficient number, since it is larger than the sum of its proper divisors (63010057).

1006604663 is a wasteful number, since it uses less digits than its factorization.

1006604663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211017.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1006604663 is about 31727.0336306438. The cubic root of 1006604663 is about 1002.1967251982.

The spelling of 1006604663 in words is "one billion, six million, six hundred four thousand, six hundred sixty-three".