2170828512 has 120 divisors (see below), whose sum is σ = 6533154936. Its totient is φ = 706745088.

The previous prime is 2170828507. The next prime is 2170828559. The reversal of 2170828512 is 2158280712.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101718 + ... + 121194.

Almost surely, 2^2170828512 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 2170828512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3266577468).

2170828512 is an abundant number, since it is smaller than the sum of its proper divisors (4362326424).

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

2170828512 is a wasteful number, since it uses less digits than its factorization.

2170828512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19542 (or 19525 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 2170828512 is about 46592.1507552506. The cubic root of 2170828512 is about 1294.8173367282.

The spelling of 2170828512 in words is "two billion, one hundred seventy million, eight hundred twenty-eight thousand, five hundred twelve".