1005506606 has 16 divisors (see below), whose sum is σ = 1639464624. Its totient is φ = 459741504.

The previous prime is 1005506533. The next prime is 1005506639. The reversal of 1005506606 is 6066055001.

It is a super-2 number, since 2×1005506606² = 2022087069419278472, which contains 22 as substring.

It is a congruent number.

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, 177935 + ... + 183498.

It is an arithmetic number, because the mean of its divisors is an integer number (102466539).

Almost surely, 2^1005506606 is an apocalyptic number.

1005506606 is a deficient number, since it is larger than the sum of its proper divisors (633958018).

1005506606 is a wasteful number, since it uses less digits than its factorization.

1005506606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361555.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1005506606 is about 31709.7241552177. The cubic root of 1005506606 is about 1001.8321764128.

The spelling of 1005506606 in words is "one billion, five million, five hundred six thousand, six hundred six".