665153667048 has 64 divisors (see below), whose sum is σ = 1794934491840. Its totient is φ = 204189963264.

The previous prime is 665153667029. The next prime is 665153667103. The reversal of 665153667048 is 840766351566.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326686 + ... + 2596877.

It is an arithmetic number, because the mean of its divisors is an integer number (28045851435).

Almost surely, 2^665153667048 is an apocalyptic number.

It is an amenable number.

665153667048 is an abundant number, since it is smaller than the sum of its proper divisors (1129780824792).

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

665153667048 is a wasteful number, since it uses less digits than its factorization.

665153667048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924018 (or 4924014 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 665153667048 in words is "six hundred sixty-five billion, one hundred fifty-three million, six hundred sixty-seven thousand, forty-eight".