791818584216 has 64 divisors (see below), whose sum is σ = 2172436519680. Its totient is φ = 238508215680.

The previous prime is 791818584199. The next prime is 791818584217. The reversal of 791818584216 is 612485818197.

It is a self number, because there is not a number n which added to its sum of digits gives 791818584216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791818584217) 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, 8935891 + ... + 9024066.

It is an arithmetic number, because the mean of its divisors is an integer number (33944320620).

Almost surely, 2^791818584216 is an apocalyptic number.

It is an amenable number.

791818584216 is an abundant number, since it is smaller than the sum of its proper divisors (1380617935464).

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

791818584216 is a wasteful number, since it uses less digits than its factorization.

791818584216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17960144 (or 17960140 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 60.

The spelling of 791818584216 in words is "seven hundred ninety-one billion, eight hundred eighteen million, five hundred eighty-four thousand, two hundred sixteen".