6166605606 has 64 divisors (see below), whose sum is σ = 14401344000. Its totient is φ = 1759611168.

The previous prime is 6166605589. The next prime is 6166605611. The reversal of 6166605606 is 6065066616.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2198601 + ... + 2201403.

It is an arithmetic number, because the mean of its divisors is an integer number (225021000).

Almost surely, 2^6166605606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6166605606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7200672000).

6166605606 is an abundant number, since it is smaller than the sum of its proper divisors (8234738394).

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

6166605606 is a wasteful number, since it uses less digits than its factorization.

6166605606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 6166605606 is about 78527.7378128264. The cubic root of 6166605606 is about 1833.7863026266.

The spelling of 6166605606 in words is "six billion, one hundred sixty-six million, six hundred five thousand, six hundred six".