2006605603166 has 4 divisors (see below), whose sum is σ = 3009908404752. Its totient is φ = 1003302801582.

The previous prime is 2006605603141. The next prime is 2006605603181. The reversal of 2006605603166 is 6613065066002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501651400790 + ... + 501651400793.

It is an arithmetic number, because the mean of its divisors is an integer number (752477101188).

Almost surely, 2^{2006605603166} is an apocalyptic number.

2006605603166 is a deficient number, since it is larger than the sum of its proper divisors (1003302801586).

2006605603166 is a wasteful number, since it uses less digits than its factorization.

2006605603166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003302801585.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 2006605603166 in words is "two trillion, six billion, six hundred five million, six hundred three thousand, one hundred sixty-six".