6472161 has 12 divisors (see below), whose sum is σ = 9502740. Its totient is φ = 4243680.

The previous prime is 6472159. The next prime is 6472163. The reversal of 6472161 is 1612746.

6472161 is a `hidden beast` number, since 647 + 2 + 16 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (6472159) and next prime (6472163).

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 6275025 = 444^2 + 2505^2 .

It is not a de Polignac number, because 6472161 - 2¹ = 6472159 is a prime.

It is a super-3 number, since 3×6472161³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5346 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (791895).

Almost surely, 2^6472161 is an apocalyptic number.

6472161 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6472161 is a deficient number, since it is larger than the sum of its proper divisors (3030579).

6472161 is a wasteful number, since it uses less digits than its factorization.

6472161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856 (or 11853 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 6472161 is about 2544.0442213138. The cubic root of 6472161 is about 186.3587422579.

The spelling of 6472161 in words is "six million, four hundred seventy-two thousand, one hundred sixty-one".