1849640616 has 64 divisors (see below), whose sum is σ = 5154811200. Its totient is φ = 614516544.

The previous prime is 1849640603. The next prime is 1849640621. The reversal of 1849640616 is 6160469481.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 52366 + ... + 80258.

It is an arithmetic number, because the mean of its divisors is an integer number (80543925).

Almost surely, 2^1849640616 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 1849640616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577405600).

1849640616 is an abundant number, since it is smaller than the sum of its proper divisors (3305170584).

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

1849640616 is a wasteful number, since it uses less digits than its factorization.

1849640616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28215 (or 28205 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1849640616 is about 43007.4483781589. The cubic root of 1849640616 is about 1227.5215291222.

The spelling of 1849640616 in words is "one billion, eight hundred forty-nine million, six hundred forty thousand, six hundred sixteen".