665363848046 has 32 divisors (see below), whose sum is σ = 1021870467072. Its totient is φ = 324777435840.

The previous prime is 665363848031. The next prime is 665363848091. The reversal of 665363848046 is 640848363566.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64027511 + ... + 64037901.

It is an arithmetic number, because the mean of its divisors is an integer number (31933452096).

Almost surely, 2^665363848046 is an apocalyptic number.

665363848046 is a deficient number, since it is larger than the sum of its proper divisors (356506619026).

665363848046 is a wasteful number, since it uses less digits than its factorization.

665363848046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104.

The product of its (nonzero) digits is 59719680, while the sum is 59.

The spelling of 665363848046 in words is "six hundred sixty-five billion, three hundred sixty-three million, eight hundred forty-eight thousand, forty-six".