1605413133206 has 64 divisors (see below), whose sum is σ = 2543670687744. Its totient is φ = 759002400000.

The previous prime is 1605413133187. The next prime is 1605413133241. The reversal of 1605413133206 is 6023313145061.

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, 142685081 + ... + 142696331.

It is an arithmetic number, because the mean of its divisors is an integer number (39744854496).

Almost surely, 2^{1605413133206} is an apocalyptic number.

1605413133206 is a deficient number, since it is larger than the sum of its proper divisors (938257554538).

1605413133206 is a wasteful number, since it uses less digits than its factorization.

1605413133206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11685.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 1605413133206 its reverse (6023313145061), we get a palindrome (7628726278267).

The spelling of 1605413133206 in words is "one trillion, six hundred five billion, four hundred thirteen million, one hundred thirty-three thousand, two hundred six".