1061555606 has 8 divisors (see below), whose sum is σ = 1599287520. Its totient is φ = 528459768.

The previous prime is 1061555591. The next prime is 1061555609. The reversal of 1061555606 is 6065551601.

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

It is a super-2 number, since 2×1061555606² = 2253800609260054472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061555609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158446 + ... + 1159361.

It is an arithmetic number, because the mean of its divisors is an integer number (199910940).

Almost surely, 2^1061555606 is an apocalyptic number.

1061555606 is a deficient number, since it is larger than the sum of its proper divisors (537731914).

1061555606 is a wasteful number, since it uses less digits than its factorization.

1061555606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318038.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1061555606 is about 32581.5224628930. The cubic root of 1061555606 is about 1020.1113571874. Note that the first 3 decimals are identical.

The spelling of 1061555606 in words is "one billion, sixty-one million, five hundred fifty-five thousand, six hundred six".