32825648665 has 4 divisors (see below), whose sum is σ = 39390778404. Its totient is φ = 26260518928.

The previous prime is 32825648663. The next prime is 32825648671. The reversal of 32825648665 is 56684652823.

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: 56684652823 = 127 ⋅446335849.

It can be written as a sum of positive squares in 2 ways, for example, as 14050072089 + 18775576576 = 118533^2 + 137024^2 .

It is a cyclic number.

It is not a de Polignac number, because 32825648665 - 2¹ = 32825648663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32825648663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282564862 + ... + 3282564871.

It is an arithmetic number, because the mean of its divisors is an integer number (9847694601).

Almost surely, 2^32825648665 is an apocalyptic number.

It is an amenable number.

32825648665 is a deficient number, since it is larger than the sum of its proper divisors (6565129739).

32825648665 is an equidigital number, since it uses as much as digits as its factorization.

32825648665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565129738.

The product of its digits is 16588800, while the sum is 55.

The spelling of 32825648665 in words is "thirty-two billion, eight hundred twenty-five million, six hundred forty-eight thousand, six hundred sixty-five".