2155528416 has 48 divisors (see below), whose sum is σ = 5956070400. Its totient is φ = 680692608.

The previous prime is 2155528411. The next prime is 2155528433. The reversal of 2155528416 is 6148255512.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155528411) 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 7 ways as a sum of consecutive naturals, for example, 589056 + ... + 592703.

It is an arithmetic number, because the mean of its divisors is an integer number (124084800).

Almost surely, 2^2155528416 is an apocalyptic number.

It is an amenable number.

2155528416 is an abundant number, since it is smaller than the sum of its proper divisors (3800541984).

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

2155528416 is a wasteful number, since it uses less digits than its factorization.

2155528416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181791 (or 1181783 counting only the distinct ones).

The product of its digits is 96000, while the sum is 39.

The square root of 2155528416 is about 46427.6686470471. The cubic root of 2155528416 is about 1291.7681852049.

The spelling of 2155528416 in words is "two billion, one hundred fifty-five million, five hundred twenty-eight thousand, four hundred sixteen".