1606214402605 has 16 divisors (see below), whose sum is σ = 1940005033344. Its totient is φ = 1276614341440.

The previous prime is 1606214402563. The next prime is 1606214402629. The reversal of 1606214402605 is 5062044126061.

It is not a de Polignac number, because 1606214402605 - 2¹⁷ = 1606214271533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114299 + ... + 2110471.

It is an arithmetic number, because the mean of its divisors is an integer number (121250314584).

Almost surely, 2^{1606214402605} is an apocalyptic number.

It is an amenable number.

1606214402605 is a deficient number, since it is larger than the sum of its proper divisors (333790630739).

1606214402605 is a wasteful number, since it uses less digits than its factorization.

1606214402605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998276.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 1606214402605 its reverse (5062044126061), we get a palindrome (6668258528666).

The spelling of 1606214402605 in words is "one trillion, six hundred six billion, two hundred fourteen million, four hundred two thousand, six hundred five".