1066655606 has 8 divisors (see below), whose sum is σ = 1602621120. Its totient is φ = 532448568.

The previous prime is 1066655591. The next prime is 1066655677. The reversal of 1066655606 is 6065566601.

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

It is a super-2 number, since 2×1066655606² = 2275508363622454472, 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, 438101 + ... + 440528.

It is an arithmetic number, because the mean of its divisors is an integer number (200327640).

Almost surely, 2^1066655606 is an apocalyptic number.

1066655606 is a deficient number, since it is larger than the sum of its proper divisors (535965514).

1066655606 is an equidigital number, since it uses as much as digits as its factorization.

1066655606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879238.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 1066655606 is about 32659.6939054854. The cubic root of 1066655606 is about 1021.7423782237.

The spelling of 1066655606 in words is "one billion, sixty-six million, six hundred fifty-five thousand, six hundred six".