665463332145 has 32 divisors (see below), whose sum is σ = 1072763424000. Its totient is φ = 352240957440.

The previous prime is 665463332129. The next prime is 665463332153. The reversal of 665463332145 is 541233364566.

665463332145 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 665463332145 - 2⁴ = 665463332129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 665463332094 and 665463332103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9337356 + ... + 9408354.

It is an arithmetic number, because the mean of its divisors is an integer number (33523857000).

Almost surely, 2^665463332145 is an apocalyptic number.

It is an amenable number.

665463332145 is a deficient number, since it is larger than the sum of its proper divisors (407300091855).

665463332145 is a wasteful number, since it uses less digits than its factorization.

665463332145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75705.

The product of its digits is 4665600, while the sum is 48.

The spelling of 665463332145 in words is "six hundred sixty-five billion, four hundred sixty-three million, three hundred thirty-two thousand, one hundred forty-five".