1648322346 has 64 divisors (see below), whose sum is σ = 3817082880. Its totient is φ = 468975360.

The previous prime is 1648322339. The next prime is 1648322413. The reversal of 1648322346 is 6432238461.

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 31 ways as a sum of consecutive naturals, for example, 535905 + ... + 538971.

It is an arithmetic number, because the mean of its divisors is an integer number (59641920).

Almost surely, 2^1648322346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1648322346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908541440).

1648322346 is an abundant number, since it is smaller than the sum of its proper divisors (2168760534).

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

1648322346 is a wasteful number, since it uses less digits than its factorization.

1648322346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579.

The product of its digits is 165888, while the sum is 39.

The square root of 1648322346 is about 40599.5362781399. The cubic root of 1648322346 is about 1181.2651245005.

The spelling of 1648322346 in words is "one billion, six hundred forty-eight million, three hundred twenty-two thousand, three hundred forty-six".