1606267067566 has 16 divisors (see below), whose sum is σ = 2753767435104. Its totient is φ = 688358484864.

The previous prime is 1606267067543. The next prime is 1606267067567. The reversal of 1606267067566 is 6657607626061.

It is a self number, because there is not a number n which added to its sum of digits gives 1606267067566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606267067567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3233895 + ... + 3697378.

It is an arithmetic number, because the mean of its divisors is an integer number (172110464694).

Almost surely, 2^{1606267067566} is an apocalyptic number.

1606267067566 is a deficient number, since it is larger than the sum of its proper divisors (1147500367538).

1606267067566 is a wasteful number, since it uses less digits than its factorization.

1606267067566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947835.

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 1606267067566 in words is "one trillion, six hundred six billion, two hundred sixty-seven million, sixty-seven thousand, five hundred sixty-six".