4672161 has 56 divisors (see below), whose sum is σ = 8263080. Its totient is φ = 2612736.

The previous prime is 4672147. The next prime is 4672177. The reversal of 4672161 is 1612764.

It can be written as a sum of positive squares in 4 ways, for example, as 571536 + 4100625 = 756^2 + 2025^2 .

It is not a de Polignac number, because 4672161 - 2⁶ = 4672097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4672121) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 161095 + ... + 161123.

It is an arithmetic number, because the mean of its divisors is an integer number (147555).

Almost surely, 2^4672161 is an apocalyptic number.

It is an amenable number.

4672161 is a deficient number, since it is larger than the sum of its proper divisors (3590919).

4672161 is a wasteful number, since it uses less digits than its factorization.

4672161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 62 counting only the distinct ones).

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

The square root of 4672161 is about 2161.5182164395. The cubic root of 4672161 is about 167.1754881346.

It can be divided in two parts, 467 and 2161, that added together give a triangular number (2628 = T₇₂).

The spelling of 4672161 in words is "four million, six hundred seventy-two thousand, one hundred sixty-one".