4131522816 has 144 divisors (see below), whose sum is σ = 11491858560. Its totient is φ = 1316044800.

The previous prime is 4131522781. The next prime is 4131522817. The reversal of 4131522816 is 6182251314.

It is not an unprimeable number, because it can be changed into a prime (4131522817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293116 + ... + 2294916.

Almost surely, 2^4131522816 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 4131522816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745929280).

4131522816 is an abundant number, since it is smaller than the sum of its proper divisors (7360335744).

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

4131522816 is a wasteful number, since it uses less digits than its factorization.

4131522816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1938 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 4131522816 is about 64276.9228883897. The cubic root of 4131522816 is about 1604.6120594600.

The spelling of 4131522816 in words is "four billion, one hundred thirty-one million, five hundred twenty-two thousand, eight hundred sixteen".