32166625502065 has 4 divisors (see below), whose sum is σ = 38599950602484. Its totient is φ = 25733300401648.

The previous prime is 32166625502029. The next prime is 32166625502069. The reversal of 32166625502065 is 56020552666123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4005093620529 + 28161531881536 = 2001273^2 + 5306744^2 .

It is a cyclic number.

It is not a de Polignac number, because 32166625502065 - 2¹¹ = 32166625500017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32166625502069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3216662550202 + ... + 3216662550211.

It is an arithmetic number, because the mean of its divisors is an integer number (9649987650621).

Almost surely, 2^{32166625502065} is an apocalyptic number.

It is an amenable number.

32166625502065 is a deficient number, since it is larger than the sum of its proper divisors (6433325100419).

32166625502065 is an equidigital number, since it uses as much as digits as its factorization.

32166625502065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433325100418.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 32166625502065 in words is "thirty-two trillion, one hundred sixty-six billion, six hundred twenty-five million, five hundred two thousand, sixty-five".