461788163 has 4 divisors (see below), whose sum is σ = 465110520. Its totient is φ = 458465808.

The previous prime is 461788133. The next prime is 461788169. The reversal of 461788163 is 361887164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461788163 - 2¹² = 461784067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461788169) 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, 1660970 + ... + 1661247.

It is an arithmetic number, because the mean of its divisors is an integer number (116277630).

Almost surely, 2^461788163 is an apocalyptic number.

461788163 is a deficient number, since it is larger than the sum of its proper divisors (3322357).

461788163 is a wasteful number, since it uses less digits than its factorization.

461788163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322356.

The product of its digits is 193536, while the sum is 44.

The square root of 461788163 is about 21489.2569206104. The cubic root of 461788163 is about 772.9432320590.

Subtracting from 461788163 its reverse (361887164), we obtain a palindrome (99900999).

The spelling of 461788163 in words is "four hundred sixty-one million, seven hundred eighty-eight thousand, one hundred sixty-three".