648362116322 has 6 divisors (see below), whose sum is σ = 972544882593. Its totient is φ = 324180488792.

The previous prime is 648362116253. The next prime is 648362116331. The reversal of 648362116322 is 223611263846.

648362116322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 520719548881 + 127642567441 = 721609^2 + 357271^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=569369.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 854054 + ... + 1423422.

Almost surely, 2^648362116322 is an apocalyptic number.

648362116322 is a deficient number, since it is larger than the sum of its proper divisors (324182766271).

648362116322 is an frugal number, since it uses more digits than its factorization.

648362116322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138740 (or 569371 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 648362116322 in words is "six hundred forty-eight billion, three hundred sixty-two million, one hundred sixteen thousand, three hundred twenty-two".