461172164 has 12 divisors (see below), whose sum is σ = 807303084. Its totient is φ = 230514144.

The previous prime is 461172163. The next prime is 461172167. The reversal of 461172164 is 461271164.

It can be written as a sum of positive squares in 2 ways, for example, as 243609664 + 217562500 = 15608^2 + 14750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 461172164.

It is not an unprimeable number, because it can be changed into a prime (461172163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979 + ... + 30434.

It is an arithmetic number, because the mean of its divisors is an integer number (67275257).

Almost surely, 2^461172164 is an apocalyptic number.

It is an amenable number.

461172164 is a deficient number, since it is larger than the sum of its proper divisors (346130920).

461172164 is a wasteful number, since it uses less digits than its factorization.

461172164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35974 (or 35972 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 461172164 is about 21474.9194177766. The cubic root of 461172164 is about 772.5993917701.

The spelling of 461172164 in words is "four hundred sixty-one million, one hundred seventy-two thousand, one hundred sixty-four".