1650018016 has 72 divisors (see below), whose sum is σ = 3377414880. Its totient is φ = 793368576.

The previous prime is 1650017983. The next prime is 1650018043. The reversal of 1650018016 is 6108100561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4674096 + ... + 4674448.

It is an arithmetic number, because the mean of its divisors is an integer number (46908540).

Almost surely, 2^1650018016 is an apocalyptic number.

1650018016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650018016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1688707440).

1650018016 is an abundant number, since it is smaller than the sum of its proper divisors (1727396864).

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

1650018016 is an equidigital number, since it uses as much as digits as its factorization.

1650018016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1650018016 is about 40620.4137842046. The cubic root of 1650018016 is about 1181.6700512377.

Adding to 1650018016 its reverse (6108100561), we get a palindrome (7758118577).

The spelling of 1650018016 in words is "one billion, six hundred fifty million, eighteen thousand, sixteen".