16001010005 has 4 divisors (see below), whose sum is σ = 19201212012. Its totient is φ = 12800808000.

The previous prime is 16001009993. The next prime is 16001010019. The reversal of 16001010005 is 50001010061.

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 1691347876 + 14309662129 = 41126^2 + 119623^2 .

It is not a de Polignac number, because 16001010005 - 2⁴ = 16001009989 is a prime.

It is a super-2 number, since 2×16001010005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600100996 + ... + 1600101005.

It is an arithmetic number, because the mean of its divisors is an integer number (4800303003).

Almost surely, 2^16001010005 is an apocalyptic number.

It is an amenable number.

16001010005 is a deficient number, since it is larger than the sum of its proper divisors (3200202007).

16001010005 is an equidigital number, since it uses as much as digits as its factorization.

16001010005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200202006.

The product of its (nonzero) digits is 30, while the sum is 14.

Adding to 16001010005 its reverse (50001010061), we get a palindrome (66002020066).

The spelling of 16001010005 in words is "sixteen billion, one million, ten thousand, five".