665045047148 has 12 divisors (see below), whose sum is σ = 1163841326592. Its totient is φ = 332518953840.

The previous prime is 665045047129. The next prime is 665045047151. The reversal of 665045047148 is 841740540566.

It is a junction number, because it is equal to n+sod(n) for n = 665045047096 and 665045047105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448748 + ... + 1237523.

It is an arithmetic number, because the mean of its divisors is an integer number (96986777216).

Almost surely, 2^665045047148 is an apocalyptic number.

It is an amenable number.

665045047148 is a deficient number, since it is larger than the sum of its proper divisors (498796279444).

665045047148 is a wasteful number, since it uses less digits than its factorization.

665045047148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784872 (or 1784870 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 665045047148 in words is "six hundred sixty-five billion, forty-five million, forty-seven thousand, one hundred forty-eight".