3531937816 has 128 divisors (see below), whose sum is σ = 8119699200. Its totient is φ = 1419448320.

The previous prime is 3531937751. The next prime is 3531937819. The reversal of 3531937816 is 6187391353.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531937819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3893635 + ... + 3894541.

It is an arithmetic number, because the mean of its divisors is an integer number (63435150).

Almost surely, 2^3531937816 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 3531937816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4059849600).

3531937816 is an abundant number, since it is smaller than the sum of its proper divisors (4587761384).

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

3531937816 is a wasteful number, since it uses less digits than its factorization.

3531937816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1093 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 3531937816 is about 59430.1086655577. The cubic root of 3531937816 is about 1522.8987010030.

The spelling of 3531937816 in words is "three billion, five hundred thirty-one million, nine hundred thirty-seven thousand, eight hundred sixteen".