16105031713 has 4 divisors (see below), whose sum is σ = 16105398660. Its totient is φ = 16104664768.

The previous prime is 16105031711. The next prime is 16105031749. The reversal of 16105031713 is 31713050161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2715764769 + 13389266944 = 52113^2 + 115712^2 .

It is a cyclic number.

It is not a de Polignac number, because 16105031713 - 2¹ = 16105031711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16105031711) 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, 107020 + ... + 208957.

It is an arithmetic number, because the mean of its divisors is an integer number (4026349665).

Almost surely, 2^16105031713 is an apocalyptic number.

It is an amenable number.

16105031713 is a deficient number, since it is larger than the sum of its proper divisors (366947).

16105031713 is an equidigital number, since it uses as much as digits as its factorization.

16105031713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366946.

The product of its (nonzero) digits is 1890, while the sum is 28.

Adding to 16105031713 its reverse (31713050161), we get a palindrome (47818081874).

The spelling of 16105031713 in words is "sixteen billion, one hundred five million, thirty-one thousand, seven hundred thirteen".