1653016520 has 32 divisors (see below), whose sum is σ = 3721128120. Its totient is φ = 660879360.

The previous prime is 1653016517. The next prime is 1653016529. The reversal of 1653016520 is 256103561.

1653016520 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1650146884 + 2869636 = 40622^2 + 1694^2 .

It is not an unprimeable number, because it can be changed into a prime (1653016529) 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 7 ways as a sum of consecutive naturals, for example, 81830 + ... + 100010.

Almost surely, 2^1653016520 is an apocalyptic number.

1653016520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1653016520 is an abundant number, since it is smaller than the sum of its proper divisors (2068111600).

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

1653016520 is a wasteful number, since it uses less digits than its factorization.

1653016520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20465 (or 20461 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1653016520 is about 40657.3058625384. The cubic root of 1653016520 is about 1182.3854168034.

The spelling of 1653016520 in words is "one billion, six hundred fifty-three million, sixteen thousand, five hundred twenty".