1650223746 has 48 divisors (see below), whose sum is σ = 3730797600. Its totient is φ = 540689688.

The previous prime is 1650223727. The next prime is 1650223747. The reversal of 1650223746 is 6473220561.

It is a self number, because there is not a number n which added to its sum of digits gives 1650223746.

It is not an unprimeable number, because it can be changed into a prime (1650223747) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 183585 + ... + 192363.

It is an arithmetic number, because the mean of its divisors is an integer number (77724950).

Almost surely, 2^1650223746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650223746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865398800).

1650223746 is an abundant number, since it is smaller than the sum of its proper divisors (2080573854).

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

1650223746 is an equidigital number, since it uses as much as digits as its factorization.

1650223746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908 (or 8843 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1650223746 is about 40622.9460526929. The cubic root of 1650223746 is about 1181.7191607776.

The spelling of 1650223746 in words is "one billion, six hundred fifty million, two hundred twenty-three thousand, seven hundred forty-six".