325665331606 has 4 divisors (see below), whose sum is σ = 488497997412. Its totient is φ = 162832665802.

The previous prime is 325665331601. The next prime is 325665331657. The reversal of 325665331606 is 606133566523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606133566523 = 1229 ⋅493192487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325665331601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81416332900 + ... + 81416332903.

It is an arithmetic number, because the mean of its divisors is an integer number (122124499353).

Almost surely, 2^325665331606 is an apocalyptic number.

325665331606 is a deficient number, since it is larger than the sum of its proper divisors (162832665806).

325665331606 is a wasteful number, since it uses less digits than its factorization.

325665331606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162832665805.

The product of its (nonzero) digits is 1749600, while the sum is 46.

The spelling of 325665331606 in words is "three hundred twenty-five billion, six hundred sixty-five million, three hundred thirty-one thousand, six hundred six".