812511170316 has 96 divisors (see below), whose sum is σ = 2156213875200. Its totient is φ = 264450795840.

The previous prime is 812511170309. The next prime is 812511170351. The reversal of 812511170316 is 613071115218.

It is a happy number.

812511170316 is a `hidden beast` number, since 81 + 251 + 1 + 17 + 0 + 316 = 666.

812511170316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14791590 + ... + 14846418.

It is an arithmetic number, because the mean of its divisors is an integer number (22460561200).

Almost surely, 2^812511170316 is an apocalyptic number.

812511170316 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812511170316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078106937600).

812511170316 is an abundant number, since it is smaller than the sum of its proper divisors (1343702704884).

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

812511170316 is a wasteful number, since it uses less digits than its factorization.

812511170316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58076 (or 58068 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 812511170316 in words is "eight hundred twelve billion, five hundred eleven million, one hundred seventy thousand, three hundred sixteen".