1328325561606 has 16 divisors (see below), whose sum is σ = 2657248579584. Its totient is φ = 442675611144.

The previous prime is 1328325561587. The next prime is 1328325561623. The reversal of 1328325561606 is 6061655238231.

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, 24865110 + ... + 24918473.

It is an arithmetic number, because the mean of its divisors is an integer number (166078036224).

Almost surely, 2^{1328325561606} is an apocalyptic number.

1328325561606 is an abundant number, since it is smaller than the sum of its proper divisors (1328923017978).

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

1328325561606 is a wasteful number, since it uses less digits than its factorization.

1328325561606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49788035.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 1328325561606 in words is "one trillion, three hundred twenty-eight billion, three hundred twenty-five million, five hundred sixty-one thousand, six hundred six".