2185570016 has 96 divisors (see below), whose sum is σ = 5041274112. Its totient is φ = 913397760.

The previous prime is 2185570003. The next prime is 2185570061. The reversal of 2185570016 is 6100755812.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1605176 + ... + 1606536.

It is an arithmetic number, because the mean of its divisors is an integer number (52513272).

Almost surely, 2^2185570016 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 2185570016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520637056).

2185570016 is an abundant number, since it is smaller than the sum of its proper divisors (2855704096).

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

2185570016 is a wasteful number, since it uses less digits than its factorization.

2185570016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 2185570016 is about 46750.0803849576. The cubic root of 2185570016 is about 1297.7416443499.

The spelling of 2185570016 in words is "two billion, one hundred eighty-five million, five hundred seventy thousand, sixteen".