416656723978816 has 112 divisors (see below), whose sum is σ = 851042115576576. Its totient is φ = 202246389817344.

The previous prime is 416656723978783. The next prime is 416656723978819. The reversal of 416656723978816 is 618879327656614.

It is not an unprimeable number, because it can be changed into a prime (416656723978819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621606745 + ... + 2621765671.

It is an arithmetic number, because the mean of its divisors is an integer number (7598590317648).

Almost surely, 2^{416656723978816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 416656723978816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425521057788288).

416656723978816 is an abundant number, since it is smaller than the sum of its proper divisors (434385391597760).

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

416656723978816 is a wasteful number, since it uses less digits than its factorization.

416656723978816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161436 (or 161426 counting only the distinct ones).

The product of its digits is 4389396480, while the sum is 79.

The spelling of 416656723978816 in words is "four hundred sixteen trillion, six hundred fifty-six billion, seven hundred twenty-three million, nine hundred seventy-eight thousand, eight hundred sixteen".