1605381954006 has 16 divisors (see below), whose sum is σ = 3321479905200. Its totient is φ = 516674651808.

The previous prime is 1605381953921. The next prime is 1605381954017. The reversal of 1605381954006 is 6004591835061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4613166361 + ... + 4613166708.

It is an arithmetic number, because the mean of its divisors is an integer number (207592494075).

Almost surely, 2^{1605381954006} is an apocalyptic number.

1605381954006 is an abundant number, since it is smaller than the sum of its proper divisors (1716097951194).

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

1605381954006 is a wasteful number, since it uses less digits than its factorization.

1605381954006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226333103.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 1605381954006 in words is "one trillion, six hundred five billion, three hundred eighty-one million, nine hundred fifty-four thousand, six".