648160916318 has 32 divisors (see below), whose sum is σ = 998631936000. Its totient is φ = 315367778880.

The previous prime is 648160916281. The next prime is 648160916321. The reversal of 648160916318 is 813619061846.

It is a super-2 number, since 2×648160916318² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 648160916318.

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, 12203183 + ... + 12256181.

It is an arithmetic number, because the mean of its divisors is an integer number (31207248000).

Almost surely, 2^648160916318 is an apocalyptic number.

648160916318 is a deficient number, since it is larger than the sum of its proper divisors (350471019682).

648160916318 is a wasteful number, since it uses less digits than its factorization.

648160916318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53792.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 648160916318 in words is "six hundred forty-eight billion, one hundred sixty million, nine hundred sixteen thousand, three hundred eighteen".