816258750846 has 256 divisors, whose sum is σ = 2215019520000. Its totient is φ = 198095224320.

The previous prime is 816258750809. The next prime is 816258750851. The reversal of 816258750846 is 648057852618.

816258750846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 816258750846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53485965 + ... + 53501223.

It is an arithmetic number, because the mean of its divisors is an integer number (8652420000).

Almost surely, 2^816258750846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816258750846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107509760000).

816258750846 is an abundant number, since it is smaller than the sum of its proper divisors (1398760769154).

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

816258750846 is a wasteful number, since it uses less digits than its factorization.

816258750846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15452 (or 15438 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 816258750846 in words is "eight hundred sixteen billion, two hundred fifty-eight million, seven hundred fifty thousand, eight hundred forty-six".