1061556606 has 24 divisors (see below), whose sum is σ = 2509134264. Its totient is φ = 321683760.

The previous prime is 1061556569. The next prime is 1061556607. The reversal of 1061556606 is 6066551601.

It is a super-2 number, since 2×1061556606² = 2253804855484478472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061556607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2680501 + ... + 2680896.

It is an arithmetic number, because the mean of its divisors is an integer number (104547261).

Almost surely, 2^1061556606 is an apocalyptic number.

1061556606 is an abundant number, since it is smaller than the sum of its proper divisors (1447577658).

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

1061556606 is a wasteful number, since it uses less digits than its factorization.

1061556606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361416 (or 5361413 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1061556606 is about 32581.5378090108. The cubic root of 1061556606 is about 1020.1116775070. Note that the first 3 decimals are identical.

The spelling of 1061556606 in words is "one billion, sixty-one million, five hundred fifty-six thousand, six hundred six".