1600005005 has 16 divisors (see below), whose sum is σ = 2021880960. Its totient is φ = 1213109568.

The previous prime is 1600004993. The next prime is 1600005047. The reversal of 1600005005 is 5005000061.

It is a cyclic number.

It is not a de Polignac number, because 1600005005 - 2⁶ = 1600004941 is a prime.

1600005005 is a modest number, since divided by 5005 gives 1600 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51287 + ... + 76356.

It is an arithmetic number, because the mean of its divisors is an integer number (126367560).

Almost surely, 2^1600005005 is an apocalyptic number.

It is an amenable number.

1600005005 is a deficient number, since it is larger than the sum of its proper divisors (421875955).

1600005005 is a wasteful number, since it uses less digits than its factorization.

1600005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127780.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1600005005 is about 40000.0625624511. The cubic root of 1600005005 is about 1169.6083148429.

Adding to 1600005005 its reverse (5005000061), we get a palindrome (6605005066).

The spelling of 1600005005 in words is "one billion, six hundred million, five thousand, five".