2061715170 has 64 divisors (see below), whose sum is σ = 5169982464. Its totient is φ = 525201600.

The previous prime is 2061715163. The next prime is 2061715177. The reversal of 2061715170 is 715171602.

It is an interprime number because it is at equal distance from previous prime (2061715163) and next prime (2061715177).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2061715177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 723769 + ... + 726611.

It is an arithmetic number, because the mean of its divisors is an integer number (80780976).

Almost surely, 2^2061715170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2061715170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2584991232).

2061715170 is an abundant number, since it is smaller than the sum of its proper divisors (3108267294).

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

2061715170 is a wasteful number, since it uses less digits than its factorization.

2061715170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 2061715170 is about 45406.1137953910. The cubic root of 2061715170 is about 1272.7493643769.

Adding to 2061715170 its reverse (715171602), we get a palindrome (2776886772).

The spelling of 2061715170 in words is "two billion, sixty-one million, seven hundred fifteen thousand, one hundred seventy".