461244442163 has 16 divisors (see below), whose sum is σ = 508942006272. Its totient is φ = 416544744000.

The previous prime is 461244442159. The next prime is 461244442193. The reversal of 461244442163 is 361244442164.

It is a cyclic number.

It is not a de Polignac number, because 461244442163 - 2² = 461244442159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461244442163.

It is not an unprimeable number, because it can be changed into a prime (461244442193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7859873 + ... + 7918338.

It is an arithmetic number, because the mean of its divisors is an integer number (31808875392).

Almost surely, 2^461244442163 is an apocalyptic number.

461244442163 is a deficient number, since it is larger than the sum of its proper divisors (47697564109).

461244442163 is a wasteful number, since it uses less digits than its factorization.

461244442163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778306.

The product of its digits is 442368, while the sum is 41.

Subtracting from 461244442163 its reverse (361244442164), we obtain a palindrome (99999999999).

The spelling of 461244442163 in words is "four hundred sixty-one billion, two hundred forty-four million, four hundred forty-two thousand, one hundred sixty-three".