2150500170 has 128 divisors (see below), whose sum is σ = 6726053376. Its totient is φ = 427032576.

The previous prime is 2150500111. The next prime is 2150500171. The reversal of 2150500170 is 710050512.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2150500171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23242 + ... + 69578.

It is an arithmetic number, because the mean of its divisors is an integer number (52547292).

Almost surely, 2^2150500170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2150500170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3363026688).

2150500170 is an abundant number, since it is smaller than the sum of its proper divisors (4575553206).

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

2150500170 is a wasteful number, since it uses less digits than its factorization.

2150500170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46384.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 2150500170 is about 46373.4856356518. The cubic root of 2150500170 is about 1290.7629583174.

Adding to 2150500170 its reverse (710050512), we get a palindrome (2860550682).

The spelling of 2150500170 in words is "two billion, one hundred fifty million, five hundred thousand, one hundred seventy".