1650713328 has 240 divisors, whose sum is σ = 5431795200. Its totient is φ = 462366720.

The previous prime is 1650713299. The next prime is 1650713377. The reversal of 1650713328 is 8233170561.

1650713328 is a `hidden beast` number, since 16 + 507 + 133 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1650713292 and 1650713301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1588233 + ... + 1589271.

It is an arithmetic number, because the mean of its divisors is an integer number (22632480).

Almost surely, 2^1650713328 is an apocalyptic number.

1650713328 is a gapful number since it is divisible by the number (18) 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 1650713328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715897600).

1650713328 is an abundant number, since it is smaller than the sum of its proper divisors (3781081872).

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

1650713328 is a wasteful number, since it uses less digits than its factorization.

1650713328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1650713328 is about 40628.9715351004. The cubic root of 1650713328 is about 1181.8360118465.

Adding to 1650713328 its reverse (8233170561), we get a palindrome (9883883889).

The spelling of 1650713328 in words is "one billion, six hundred fifty million, seven hundred thirteen thousand, three hundred twenty-eight".