800650500156 has 180 divisors, whose sum is σ = 2269678402992. Its totient is φ = 246002904576.

The previous prime is 800650500127. The next prime is 800650500203. The reversal of 800650500156 is 651005056008.

800650500156 is a `hidden beast` number, since 80 + 0 + 65 + 0 + 500 + 15 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 800650500156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 39797556 + ... + 39817668.

Almost surely, 2^800650500156 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 800650500156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134839201496).

800650500156 is an abundant number, since it is smaller than the sum of its proper divisors (1469027902836).

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

800650500156 is a wasteful number, since it uses less digits than its factorization.

800650500156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20882 (or 20858 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 800650500156 in words is "eight hundred billion, six hundred fifty million, five hundred thousand, one hundred fifty-six".