1005670556 has 12 divisors (see below), whose sum is σ = 1919916600. Its totient is φ = 457122960.

The previous prime is 1005670543. The next prime is 1005670577. The reversal of 1005670556 is 6550765001.

It is a super-2 number, since 2×1005670556² = 2022746534410698272, 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 3 ways as a sum of consecutive naturals, for example, 11428031 + ... + 11428118.

It is an arithmetic number, because the mean of its divisors is an integer number (159993050).

Almost surely, 2^1005670556 is an apocalyptic number.

It is an amenable number.

1005670556 is a deficient number, since it is larger than the sum of its proper divisors (914246044).

1005670556 is a wasteful number, since it uses less digits than its factorization.

1005670556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22856164 (or 22856162 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1005670556 is about 31712.3092189768. The cubic root of 1005670556 is about 1001.8866237458.

The spelling of 1005670556 in words is "one billion, five million, six hundred seventy thousand, five hundred fifty-six".