328725565662 has 32 divisors (see below), whose sum is σ = 708753628800. Its totient is φ = 101042137440.

The previous prime is 328725565591. The next prime is 328725565669. The reversal of 328725565662 is 266565527823.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328725565669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094412 + ... + 2245887.

It is an arithmetic number, because the mean of its divisors is an integer number (22148550900).

Almost surely, 2^328725565662 is an apocalyptic number.

328725565662 is an abundant number, since it is smaller than the sum of its proper divisors (380028063138).

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

328725565662 is a wasteful number, since it uses less digits than its factorization.

328725565662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341288.

The product of its digits is 36288000, while the sum is 57.

The spelling of 328725565662 in words is "three hundred twenty-eight billion, seven hundred twenty-five million, five hundred sixty-five thousand, six hundred sixty-two".