1016538944 has 28 divisors (see below), whose sum is σ = 2018417604. Its totient is φ = 507961344.

The previous prime is 1016538937. The next prime is 1016538947. The reversal of 1016538944 is 4498356101.

It can be written as a sum of positive squares in 2 ways, for example, as 395532544 + 621006400 = 19888^2 + 24920^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016538947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131474 + ... + 138990.

It is an arithmetic number, because the mean of its divisors is an integer number (72086343).

Almost surely, 2^1016538944 is an apocalyptic number.

It is an amenable number.

1016538944 is a deficient number, since it is larger than the sum of its proper divisors (1001878660).

1016538944 is an equidigital number, since it uses as much as digits as its factorization.

1016538944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642 (or 9632 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1016538944 is about 31883.2078687199. The cubic root of 1016538944 is about 1005.4828645876.

The spelling of 1016538944 in words is "one billion, sixteen million, five hundred thirty-eight thousand, nine hundred forty-four".