816766110420 has 96 divisors (see below), whose sum is σ = 2468714989440. Its totient is φ = 200572485120.

The previous prime is 816766110397. The next prime is 816766110421. The reversal of 816766110420 is 24011667618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816766110421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 915250 + ... + 1572009.

It is an arithmetic number, because the mean of its divisors is an integer number (25715781140).

Almost surely, 2^816766110420 is an apocalyptic number.

It is an amenable number.

816766110420 is an abundant number, since it is smaller than the sum of its proper divisors (1651948879020).

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

816766110420 is a wasteful number, since it uses less digits than its factorization.

816766110420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487705 (or 2487703 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 816766110420 in words is "eight hundred sixteen billion, seven hundred sixty-six million, one hundred ten thousand, four hundred twenty".