665252407384300 has 72 divisors (see below), whose sum is σ = 1458033351892992. Its totient is φ = 263453223432000.

The previous prime is 665252407384261. The next prime is 665252407384309. The reversal of 665252407384300 is 3483704252566.

It is a happy number.

665252407384300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (665252407384309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78505372 + ... + 86565571.

It is an arithmetic number, because the mean of its divisors is an integer number (20250463220736).

Almost surely, 2^{665252407384300} is an apocalyptic number.

It is an amenable number.

665252407384300 is an abundant number, since it is smaller than the sum of its proper divisors (792780944508692).

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

665252407384300 is a wasteful number, since it uses less digits than its factorization.

665252407384300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165071359 (or 165071352 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 665252407384300 in words is "six hundred sixty-five trillion, two hundred fifty-two billion, four hundred seven million, three hundred eighty-four thousand, three hundred".