1016538943 has 16 divisors (see below), whose sum is σ = 1218300480. Its totient is φ = 829737216.

The previous prime is 1016538937. The next prime is 1016538947. The reversal of 1016538943 is 3498356101.

It is not a de Polignac number, because 1016538943 - 2⁵ = 1016538911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016538896 and 1016538905.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19480 + ... + 49117.

It is an arithmetic number, because the mean of its divisors is an integer number (76143780).

Almost surely, 2^1016538943 is an apocalyptic number.

1016538943 is a deficient number, since it is larger than the sum of its proper divisors (201761537).

1016538943 is an equidigital number, since it uses as much as digits as its factorization.

1016538943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68706.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1016538943 is about 31883.2078530376. The cubic root of 1016538943 is about 1005.4828642579.

The spelling of 1016538943 in words is "one billion, sixteen million, five hundred thirty-eight thousand, nine hundred forty-three".