1533733516 has 72 divisors (see below), whose sum is σ = 3204665856. Its totient is φ = 640110240.

The previous prime is 1533733507. The next prime is 1533733517. The reversal of 1533733516 is 6153373351.

It is not an unprimeable number, because it can be changed into a prime (1533733517) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3048921 + ... + 3049423.

It is an arithmetic number, because the mean of its divisors is an integer number (44509248).

Almost surely, 2^1533733516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1533733516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602332928).

1533733516 is an abundant number, since it is smaller than the sum of its proper divisors (1670932340).

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

1533733516 is a wasteful number, since it uses less digits than its factorization.

1533733516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 890 counting only the distinct ones).

The product of its digits is 85050, while the sum is 37.

The square root of 1533733516 is about 39162.9099531687. The cubic root of 1533733516 is about 1153.2318707079.

The spelling of 1533733516 in words is "one billion, five hundred thirty-three million, seven hundred thirty-three thousand, five hundred sixteen".