6500161101 has 16 divisors (see below), whose sum is σ = 10107152000. Its totient is φ = 3714377184.

The previous prime is 6500161099. The next prime is 6500161103. The reversal of 6500161101 is 1011610056.

It is an interprime number because it is at equal distance from previous prime (6500161099) and next prime (6500161103).

It is not a de Polignac number, because 6500161101 - 2¹ = 6500161099 is a prime.

It is a super-3 number, since 3×6500161101³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500161103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157456 + ... + 3159513.

It is an arithmetic number, because the mean of its divisors is an integer number (631697000).

Almost surely, 2^6500161101 is an apocalyptic number.

It is an amenable number.

6500161101 is a deficient number, since it is larger than the sum of its proper divisors (3606990899).

6500161101 is an equidigital number, since it uses as much as digits as its factorization.

6500161101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316993 (or 6316979 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 6500161101 is about 80623.5765827838. The cubic root of 6500161101 is about 1866.2709965192.

Adding to 6500161101 its reverse (1011610056), we get a palindrome (7511771157).

The spelling of 6500161101 in words is "six billion, five hundred million, one hundred sixty-one thousand, one hundred one".