461244442165 has 8 divisors (see below), whose sum is σ = 596069740728. Its totient is φ = 340611280320.

The previous prime is 461244442159. The next prime is 461244442193. The reversal of 461244442165 is 561244442164.

It can be written as a sum of positive squares in 4 ways, for example, as 14366899044 + 446877543121 = 119862^2 + 668489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 461244442165 - 2³ = 461244442157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3548034106 + ... + 3548034235.

It is an arithmetic number, because the mean of its divisors is an integer number (74508717591).

Almost surely, 2^461244442165 is an apocalyptic number.

It is an amenable number.

461244442165 is a deficient number, since it is larger than the sum of its proper divisors (134825298563).

461244442165 is a wasteful number, since it uses less digits than its factorization.

461244442165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096068359.

The product of its digits is 737280, while the sum is 43.

Subtracting 461244442165 from its reverse (561244442164), we obtain a palindrome (99999999999).

The spelling of 461244442165 in words is "four hundred sixty-one billion, two hundred forty-four million, four hundred forty-two thousand, one hundred sixty-five".