1016031641 has 4 divisors (see below), whose sum is σ = 1026506292. Its totient is φ = 1005556992.

The previous prime is 1016031629. The next prime is 1016031689. The reversal of 1016031641 is 1461306101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1461306101 = 16453 ⋅88817.

It can be written as a sum of positive squares in 2 ways, for example, as 746382400 + 269649241 = 27320^2 + 16421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016031641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016031691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5237180 + ... + 5237373.

It is an arithmetic number, because the mean of its divisors is an integer number (256626573).

Almost surely, 2^1016031641 is an apocalyptic number.

It is an amenable number.

1016031641 is a deficient number, since it is larger than the sum of its proper divisors (10474651).

1016031641 is an equidigital number, since it uses as much as digits as its factorization.

1016031641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474650.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1016031641 is about 31875.2512303825. The cubic root of 1016031641 is about 1005.3155749320.

Adding to 1016031641 its reverse (1461306101), we get a palindrome (2477337742).

The spelling of 1016031641 in words is "one billion, sixteen million, thirty-one thousand, six hundred forty-one".