1600641594925 has 12 divisors (see below), whose sum is σ = 1989745205076. Its totient is φ = 1277319968000.

The previous prime is 1600641594901. The next prime is 1600641594973. The reversal of 1600641594925 is 5294951460061.

It can be written as a sum of positive squares in 6 ways, for example, as 45779737444 + 1554861857481 = 213962^2 + 1246941^2 .

It is not a de Polignac number, because 1600641594925 - 2⁹ = 1600641594413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79822474 + ... + 79842523.

It is an arithmetic number, because the mean of its divisors is an integer number (165812100423).

Almost surely, 2^{1600641594925} is an apocalyptic number.

It is an amenable number.

1600641594925 is a deficient number, since it is larger than the sum of its proper divisors (389103610151).

1600641594925 is a wasteful number, since it uses less digits than its factorization.

1600641594925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159665408 (or 159665403 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 1600641594925 in words is "one trillion, six hundred billion, six hundred forty-one million, five hundred ninety-four thousand, nine hundred twenty-five".